| 2-pot gravel compaction ficompaction filter unit | 双罐砾石充填过滤装置 |
| ADF | 交替双过滤 |
| adjacent double bond | 相邻双键 |
| agreement on avoidance of double taxation | 避免双重征税协定 |
| albite twin | 钠长石双晶 |
| alkylated thiobisphenol | 烷基化硫化双酚 |
| ambiguity | 模糊；非单值性；不定性；双值性 |
| ambipolar | 双极的 |
| Amphechinus | 双猬属 |
| Amphicoelia | 双腔蛤属 |
| Amphicrinus | 双面海百合属 |
| Amphicythere | 双花介属 |
| amphidisc | 双盘骨针 |
| Amphidontes | 双齿砺属 |
| Amphileberis | 双面介属 |
| Amphiporella | 小双管苔藓虫属 |
| amphirhinal | 双鼻孔 |
| Amphitherium | 双兽属 |
| Amphizygus | 双轭颗石 |
| amplitude bistable circuit | 振幅双稳电路 |
| archyerbolic function | 反双曲函数 |
| Arps hyperbolic decline equation | 阿普斯双曲线递减方程 |
| automatic eletronic biaxial tiltmeter | 自动电子双轴倾斜度测量仪 |
| azobisformamide ABFA | 偶氮双甲酰胺 |
| azobisformamide | 偶氮双甲酰胺 |
| backflow gate | 双向旋启式止回阀 |
| BAM | 双向联想存储器 |
| bascule | 竖旋桥的双翼 |
| BI | 双向的 |
| bi-component | 双组分 |
| bi-coordinate system | 双坐标系 |
| bi-directional counter | 双向计数器 |
| bi-directional folded-type prover system | 双向折叠型标定系统 |
| bi-directional pig | 双向清管器 |
| bi-directional pipe prover | 双向管式标定装置 |
| bi-directional slip | 双向卡瓦 |
| bi-metal liner | 双金属缸套 |
| bi-polar machine | 双极电机 |
| bi-rotor pump | 双转子泵 |
| bi-telephone | 头戴双耳耳机 |
| biax | 双轴 |
| biaxial compression test | 双轴压缩试验 |
| biaxial creep | 双轴蠕变 |
| biaxial extension | 双轴伸长 |
| biaxial extensional flow | 双轴拉伸流 |
| biaxial loading | 双轴载荷 |
| biaxial orientation | 双轴取向 |
| biaxial orienting | 双轴取向 |
| biaxial propeller | 双轴推进器 |
| biaxial strain | 双轴应变 |
| biaxial stress | 双轴应力 |
| biaxial stretch | 双轴伸长 |
| biaxial stretching | 双轴向拉伸 |
| biaxial viscosity | 双轴向粘度 |
| biaxial winding | 双轴缠绕法 |
| bicamera | 双镜头摄影机 |
| bicenter bit | 双中心钻头 |
| bicharacteristics | 双特征式 |
| bicirculation | 双重循环 |
| bicolor | 双色的 |
| bicolorimeter | 双色比色计 |
| bicolorimetric method | 双筒比色法 |
| bicomponent fibers | 双组分纤维 |
| bicone-bob torsion pendulum viscometer | 双锥-垂球扭摆粘度计 |
| bicontinuous function | 双连续函数 |
| bicontinuous porous media | 双连续多孔介质 |
| bicontinuous structure | 双连续结构 |
| biconvex | 双凸面的 |
| Bicrenulla | 双锯蛤属 |
| bicrystal | 双晶体 |
| bicubic interpolation | 双三次插值 |
| bicubic spline function | 双立方样条函数 |
| bidiagonalization | 双对角化 |
| bidirectioanl VHF data link | 双向甚高频数据传送 |
| bidirectioanl-telemetry | 双向遥测 |
| bidirectional bus driver | 双向总线驱动器 |
| bidirectional bus | 双向总线 |
| bidirectional data link | 双向数据传送 |
| bidirectional downlap | 双向下超 |
| bidirectional flight lines | 双向航线 |
| bidirectional flow | 双向流 |
| bidirectional interface | 双向接口 |
| bidirectional operation | 双向操作 |
| bidirectional printing | 双向打印 |
| bidirectional reflectance accessory | 双向反射附件 |
| bidirectional reflectance | 双向反射 |
| bidirectional | 双向的 |
| Bidiscus | 双盘颗石 |
| bifet | 双极-场化晶体管 |
| bifilar | 双股的 |
| bifocal | 双焦点透镜 |
| Biformites | 双形管迹 |
| bifuel system | 双燃料系统 |
| bifunctioanl molecule | 双官能分子 |
| bifunctional catalyst | 双功能催化剂 |
| bifunctional exchanger | 双官能交换剂 |
| bifunctional extractant | 双官能团萃取剂 |
| bifunctional monomer | 双官能单体 |
| bifunctional reactivity | 双官能反应性 |
| Bifurculapes | 双叉迹 |
| biglacialism | 双冰期说 |
| biharmonic equation | 双调和方程 |
| biharmonic function | 双调和函数 |
| bijective mapping | 双射映射 |
| bijective | 双射的 |
| bilateral agreement | 双边协定 |
| bilateral antenna | 双向天线 |
| bilateral diode switch | 双向二极管开关 |
| bilateral fault | 双侧断裂 |
| bilateral geosyncline | 双侧地槽 |
| bilateral network | 双向网络 |
| bilateral switch | 双向开关 |
| bilateral switching element | 双向开关元件 |
| bilateral symmetry | 双侧对称 |
| bilateral tolerance | 双向公差 |
| bilateral treaty | 双边条约 |
| bilateral | 双向〔侧 |
| bilayer | 双层 |
| biliminal chain | 双侧限地槽链 |
| biliminal geosyncline | 双侧对称地槽 |
| bilinear flow | 双线性流动 |
| bilinear form | 双线性型 |
| bilinear function | 双线性函数 |
| bilinear interpolation | 双线性插值法 |
| bilinear model | 双线性模型 |
| bilinear relation | 双线性关系 |
| bilinear transform | 双线性变换 |
| bilinear transformation | 双线性变换 |
| bilinear | 双线性 |
| bilinearity | 双线性 |
| bilingual edition | 双语版 |
| bilogarithmic diagram | 双对数图 |
| bilogarithmic graph | 双对数图 |
| bimaceral | 双组分显微煤岩类型 |
| bimag | 双磁芯 |
| bimetal | 双金属 |
| bimetallic catalyst | 双金属催化剂 |
| bimetallic cell | 双金属电池 |
| bimetallic electrode | 双金属电极 |
| bimetallic strip | 双金属片 |
| bimetallic system cell | 双金属温度计 |
| bimetallic | 双金属的 |
| bimetallism | 双金属作用 |
| bimirror | 双镜 |
| bimodal cosets | 双向叠合组 |
| bimodal cross-bedding | 双向交错层理 |
| bimodal current rose | 双向水流玫瑰图 |
| bimodal distribution | 双峰分布 |
| bimodal igneous activity | 双向火成活动 |
| bimodal rift volcanism | 双向裂谷火山活动 |
| bimodal size distribution | 双峰粒度分布 |
| bimodal volcanic complex | 双向火山杂岩 |
| bimodal | 双峰的；双值的；双模的；双向的 |
| bimolecular law | 双分子反应定律 |
| bimolecular reaction | 双分子反应 |
| bimoment | 双力矩 |
| bimonthly | 双月刊；半月刊；两月一次 |
| bimorph | 双压电晶片 |
| binary element | 双态元件 |
| binary images | 双值图象 |
| binary input | 双进制输入 |
| binary interaction coefficient | 双元反应系数 |
| binary synchronous communication | 双同步通信 |
| binary tree | 双树 |
| binaural effect | 双耳效应 |
| bineutron | 双中子 |
| binocular microscope | 双目显微镜 |
| binocular parallax | 双眼视差 |
| binocular | 双目镜 |
| binoculars | 双目显微镜或放大镜 |
| binodal curve | 双结点曲线 |
| binodal | 双节的 |
| binode | 双结；双阳级；双屏极管；双阳极的 |
| binode-system | 双阳极法 |
| Binodella | 双瘤介属 |
| binomial nomenclature | 双名法 |
| bipentene | 双戊烯 |
| biphase | 双相 |
| biphenol | 双苯酚 |
| biplane | 双翼飞机；双平面 |
| bipod | 双腿式起重机 |
| Bipodorhabdus | 双盘棒石 |
| bipolar current rose | 双极水流玫瑰图 |
| bipolar device | 双极型器件 |
| bipolar distribution | 双极性分布 |
| bipolar electric motor | 双极电动机 |
| bipolar electrode | 双性电极 |
| bipolar molecule | 双极性基分子 |
| bipolar technology | 双极工艺 |
| bipolar transistor | 双极晶体管 |
| bipolar | 双极的 |
| bipolarity | 双极性 |
| Bipolarsporites | 双孔球形孢属 |
| Biporisporites | 双孔球形孢属 |
| bipotential | 双电位的 |
| bipyramid | 双锥 |
| biquadratic curve | 双二次曲线 |
| biquartimin | 双四次幂极小 |
| Biradiolites | 双射蛤属 |
| birainy climate | 双雨季气候 |
| bireactant | 双元推进剂 |
| birectification | 双精馏法 |
| birectifier | 双精馏器 |
| bireflectance | 双反射；双反射率 |
| bireflection | 双反射 |
| birefracting | 双折射的 |
| birefraction | 双折射率 |
| birefringence chart | 双折射率图 |
| birefringence dispersion | 双折射率色散 |
| birefringence | 双折射 |
| birotation | 双异旋光 |
| birotor | 双转子 |
| bis cadmium | 双镉 |
| bis derivative | 双衍生物 |
| bis oxide | 氧化双 |
| bis phthalate | 邻苯二甲酸双酯 |
| bis-arylation | 双芳基化 |
| bis-azo compound | 双偶氮化合物 |
| bis-diazo compound | 双重氮化合物 |
| bisazo | 双偶氮 |
| bisdiazo | 双偶氮 |
| bishomohopane | 双高藿烷 |
| bishomohopanoic acid | 双高藿烷酸 |
| bismaleimides | 双马来酰亚胺 |
| bisnorhopane | 双降藿烷 |
| bisnorlupane | 双降羽扇烷 |
| Bispathodus | 双片牙形石属 |
| bispectral analysis | 双频谱分析 |
| bispectral density | 双谱密度 |
| bispectrum | 双频谱 |
| bisphenol A polycarbonate | 双酚A型聚碳酸酯 |
| bisphenol | 双酚 |
| bisphenol-A | 双酚-Ａ |
| bistability | 双稳定性 |
| bistable circuit | 双稳态电路 |
| bistable device | 双稳器件 |
| bistable element | 双稳元件 |
| bistable fluidic oscillator | 双稳态射流振荡器 |
| bistable latch | 双稳锁存器 |
| bistable magnetic element | 双稳磁元件 |
| bistable multivibrator | 双稳态多谐振荡器 |
| bistable trigger circuit | 双稳触发电路 |
| bistable | 双稳的 |
| biswitch | 双向硅对称开关 |
| bitangential curve | 双切曲线 |
| bivacancy | 双空位 |
| bivalve | 双壳类 |
| bivibrator | 双稳多谐振荡器 |
| bivicon | 双光导摄象管 |
| biweekly | 双周刊；双周的；一周两次 |
| biwire carrier | 双钢筋托架 |
| biwire gun | 双钢筋射孔器 |
| blind frontal duplex structures | 未出露的前缘双向构造 |
| BM | 双金属的 |
| BMAC | 双稳磁元件 |
| bomodal size distribution | 双峰粒度分布 |
| box-box connection | 双母螺纹接头 |
| bull dog double-slip spear | 双卡瓦的打捞矛 |
| burtoning system | 双杆联吊 |
| capaswitch | 双电致伸缩继电器 |
| caprinid biosparite | 双壳类生物亮晶灰岩 |
| casing connecting spool | 双法兰短节 |
| catamaran | 双体船 |
| CDN | 双源距补偿中子测井 |
| CDR tool | 补偿双电阻率测井仪 |
| circle-hyperbolic system | 圆双曲线系统 |
| CNTG | 双孔隙度中子测井仪 |
| coiled coil | 双重线圈 |
| color dimorphism | 双态色 |
| combination bevel V groove | 双面V形坡口 |
| compensated dual neutron log | 双源距补偿中子测井 |
| composition face | 双晶接合面 |
| compound pump | 双缸泵 |
| concave-concave | 双凹的 |
| concentric screen | 双层筛管 |
| conformal double projection | 保形双重投影 |
| conjugated double bond | 共轭双键 |
| contracting parties | 缔约双方 |
| conventional two zone completion | 常规双层完井 |
| core barrel of double tuberigid type | 双层取心筒 |
| core barrel of double tubeswivel type | 双层取心筒 |
| cosech | 双曲余割 |
| cosh | 双曲余弦 |
| coth | 双曲余切 |
| coupled tubing | 双根油管 |
| couplet | 双根；层偶 |
| cycloinverter | 双向离子变频器 |
| D. | 双接点 |
| d.a. | 双作用 |
| D.D. | 双二极管 |
| D.D. | 双密度 |
| D.D. | 双偏转 |
| D.D. | 双重传动 |
| D.D.T. | 双二极-三极管 |
| d.j. machine | 双管焊接机 |
| D.L.S | 双信左移位 |
| D.S.C. | 双层丝包的 |
| db valve | 双开阀 |
| DBI | 双键指数 |
| dbl | 双 |
| DC | 双触点 |
| DC | 双导线 |
| dc | 双缸 |
| DCC | 双纱的 |
| DCHN | 双环己铵硝酸酯 |
| DDNLL | 双探测器中子寿命测井 |
| DDPNL | 双探测器脉冲中子测井 |
| Decca chart | 台卡双曲线导航图 |
| desert float | 油田卡车拖挂的双轮平板拖车 |
| DFPD | 双火焰光度检测器 |
| DI-DPEP | 双脱氧植红初卟啉 |
| di-esters | 双酯类 |
| di-syndiotactic polymer | 双间同立构聚合物；双间规聚合物 |
| Diac | 双向开关二极管 |
| diacetone alcohol | 双丙酮醇 |
| diamorphism | 双形现象 |
| dianiline | 双苯胺 |
| dianthracene | 双蒽 |
| diatomic molecule | 双原子分子 |
| diatomic | 双原子的 |
| diatomics | 双原子分子 |
| Dicellaesporites | 无孔双胞孢属 |
| Dicerobairdia | 双角土菱介属 |
| Dichodella | 小双牙形石属 |
| Dichognathus | 双颚牙形石属 |
| dicyclic compound | 双环化合物 |
| dicyclic hydrocarbons | 双环烃类 |
| dicyclic ring | 双环核 |
| dicyclic | 双环的 |
| dicyclohexyl ammonium nitrate | 双环己铵硝酸酯 |
| dicyclopentadiene | 双环戊二烯 |
| dideoxophyllerythroetioporphyrin | 双脱氧植红初卟啉 |
| Didymoporisporonites | 单孔双胞孢属 |
| diester oil | 合成双酯润滑油 |
| diethylene glycol bis- | 二乙二醇双 |
| differential twin-flowmeter | 双管压差流量计 |
| diffraction hyperbola | 绕射双曲线 |
| diffuse electric double layer | 扩散双电层 |
| DIFL | 双感应聚焦测井 |
| digallic acid | 双没食子酸 |
| diglycidyl rthers of bisphenol-A | 双酚A二环氧甘油醚 |
| dihexagonal-dipyramidal class | 复六方双锥组 |
| dihexahedron | 双六面体 |
| diisobutylene | 双异丁烯 |
| diisotactic polymer | 双全同立构聚合物 |
| diisotactic | 双全同立构的 |
| diketen | 双烯酮 |
| DIL | 双感应-侧向测井 |
| DIL | 双感应测井 |
| dilinoleic acid | 双亚油酸 |
| Dimorphostracus | 双形壳叶肢介属 |
| dimorphostroma | 双形叠层石 |
| dimyristyl ether | 双肉豆蔻醚 |
| dineutron | 双中子 |
| dinuclear aromatics | 双环芳香族化合物 |
| dinuclear | 双核的 |
| dinucleon | 双核子 |
| DIP | 双列直插式封装 |
| diphase interpretation | 双相解释 |
| diphase | 双相 |
| diplex | 同向双工；双工的；加倍 |
| diplexer | 双工器 |
| diplexing | 双工法 |
| Diplocraterion | 双杯迹 |
| diplopia | 双象；复视 |
| dipolar coordinates | 双极坐标 |
| Diporicellaesporites | 双孔多胞孢属 |
| Diporisporites | 双孔孢属 |
| Diporites | 双孔粉属 |
| dipropellant | 双组元推进剂 |
| diproton | 双质子 |
| dipyramid | 双角锥 |
| diradical | 双基 |
| direct welding | 双面点焊 |
| Disauritocypris | 双耳金星介属 |
| DISF | 双感应-球形聚焦测井 |
| disk-disk rheometer | 双盘式流变仪 |
| DIT | 双感应测井仪 |
| ditactic polymer | 双有规立构聚合物 |
| ditactic | 构型的双中心规整性 |
| diterpene | 双萜 |
| diterpenoid | 双萜 |
| ditetragon | 双四边形 |
| ditetragonal-dipyramidal class | 复四方双锥组 |
| ditetrahedron | 双四面体 |
| ditridecyl phthalate | 邻苯二甲酸双十三烷酯 |
| ditrigon | 双三角形 |
| ditrigonal-dipyramidal class | 复三方双锥组 |
| divided threadline extrusion | 双丝束纺丝 |
| DLL | 双侧向测井 |
| DLT | 双侧向测井仪 |
| DNLL | 双探测器中子寿命测井 |
| doub. | 成双的；两倍 |
| doubinary system | 双二进制 |
| double acting hydraulic ram | 双动式液压油缸 |
| double acting | 双动的 |
| double action reciprocating pump | 双作用活塞式往复泵 |
| double barreled drilling | 双筒钻井 |
| double bend | 双弯头 |
| double block brake | 双瓦闸 |
| double block | 双轮滑车 |
| double board platform | 双根架工台 |
| double bond index | 双键指数 |
| double bond | 双键 |
| double bottom bracket floor | 双层底空心肋板 |
| double bottom tank | 双层底舱 |
| double bottom | 双层底 |
| double Bouguer correction | 双重布格校正 |
| double box collar | 双母接头钻铤 |
| double brake assist | 双刹车助推器 |
| double buffer | 双缓冲器 |
| double buffering | 双重缓冲 |
| double bunk | 双层铺 |
| double cap casing head | 双顶套管头 |
| double capacitor | 双联电容器 |
| double catenary riser | 双悬链式立管 |
| double chambered sphere | 双室球形潜水舱 |
| double clutch | 双离合器 |
| double coated electrode | 双层药皮焊条 |
| double coating | 双涂层 |
| double column run | 双管试验 |
| double cone insert | 双锥形硬合金镶齿 |
| double core barrel drill | 双筒取心钻具 |
| double covalence | 双共价 |
| double coverage | 双重覆盖 |
| double crossover-squeeze gravel pack method | 双桥分流式挤入砾石充填法 |
| double deck type of crown block | 双层天车 |
| double dilution | 双稀释法 |
| double dipole | 双偶极子 |
| double displacement pump | 双作用泵 |
| double draw mechanism | 双牵拉装置 |
| double drawing | 双区拉伸 |
| double drum drier | 双转鼓干燥机；双滚筒干燥机 |
| double drum hoist | 双滚筒绞车 |
| double effect | 双效 |
| double electrode layer | 双电层 |
| double electrovalence | 双电价 |
| double ended piston | 双端活塞 |
| double escape peak | 双逃逸峰 |
| double extraction | 双重抽提 |
| double fillet welded joint | 双面焊缝接口 |
| double five-spot | 双五点井网；五点井网中相邻的两个单元井 |
| double folding | 双重褶皱作用 |
| double gate elevator | 双绞链吊卡 |
| double godet machine | 双导丝盘纺丝机 |
| double godet roller spinning machine | 双导丝辊纺丝机 |
| double grip dual packer | 双卡瓦双管封隔器 |
| double grip retrievable casing packer | 双卡瓦可回收式套管封隔器 |
| double groove | 双面坡口 |
| double headed spray gun | 双口喷枪 |
| double hearth furnace | 双膛炉 |
| double helical gear | 双螺旋齿轮 |
| double hull | 双壳体 |
| double island arc | 双重岛弧 |
| double joint station | 双焊管站 |
| double joint | 双根 |
| double journey | 双程 |
| double key coupling | 双键联轴节 |
| double labeling | 双标记 |
| double layer | 双层 |
| double linkage | 双键 |
| double logarithmic chart | 双对数坐标图 |
| double marking | 双重标志 |
| double modulation | 双重调制 |
| double nuclear resonance magnetometer | 双重核共振磁力仪 |
| double orientation | 双取向 |
| double oscillograph | 双线示波器 |
| double passage swivel joint | 双通回转接头 |
| double peak response | 双峰响应 |
| double peak | 双峰 |
| double permeability model | 双重渗透率模型 |
| double pipeline | 双线 |
| double pipette | 双吸移管 |
| double pitch | 双螺距的；双向坡 |
| double plate rudder | 双板舵 |
| double plot matching technique | 双重解释图版拟合法 |
| double plunging anticline | 双倾伏背斜 |
| double plunging fold | 双倾伏褶皱 |
| double pole double throw | 双刀双掷 |
| double pole mast | 双杆轻便井架 |
| double pole single throw | 双刀单掷 |
| double porosity exponent | 双重孔隙度指数 |
| double porosity reservoir | 双重孔隙介质储层 |
| double porosity | 双重孔隙 |
| double pot gravel pack mixing unit | 砾石充填双罐混砂装置 |
| double precision | 双精度 |
| double predictive deconvolution | 双预测反褶积 |
| double preventer | 双闸板防喷器 |
| double product | 双倍积 |
| double progressivedecreased balance method of depreciation | 双倍余额递减折旧法 |
| double projection | 双重投影 |
| double proofed connection | 双保险控制装置；双保险连接 |
| double pump end pump | 双泵端泵 |
| double punch | 双穿孔 |
| double ram type preventer | 双闸板型防喷器 |
| double reflection pattern | 双反射图形 |
| double refracting | 双折射 |
| double refraction | 双折射 |
| double resonance | 双共振 |
| double ridge | 双重山脊 |
| double right shift | 双倍右移位 |
| double scanning | 双扫描 |
| double screw extruder | 双螺杆挤压机 |
| double screw extrusion machine | 双螺杆挤出机 |
| double seal | 双重密封 |
| double seat valve | 双座阀 |
| double semilog equation | 双半对数方程 |
| double sheave pulley | 双轮滑车 |
| double shut-in assembly | 双管关井总成 |
| double slide valve | 双动滑阀 |
| double solvent process | 双溶剂过程 |
| double source method | 双源法 |
| double spike method | 双同位素指示剂法 |
| double spinneret block | 双喷丝板组合体 |
| double spinning head | 双丝束纺丝头 |
| double stack | 双组防喷器 |
| double sticky tape | 双面胶带 |
| double streamline | 双流线型 |
| double stroke | 双行程 |
| double submerged arc weld | 双向埋弧焊 |
| double subscript | 双下标 |
| double suction pump | 双吸泵 |
| double taxation | 双重征税 |
| double thread | 双头螺纹 |
| double throw switch | 双掷开关 |
| double throw | 双掷 |
| double transmission | 双波发送 |
| double traverse | 双次测线 |
| double twister system | 双搓捻辊装置 |
| double type curve | 双重解释图版 |
| double U groove | 双面U形坡口 |
| double valve shoe | 双阀管鞋 |
| double wall breakwater | 双墙防波堤 |
| double word | 双字 |
| double-acting positive displacement compressor | 双作用容积式压缩机 |
| double-acting pump | 双作用泵 |
| double-acting rotary jar | 双作用旋转震击器 |
| double-acting spring | 双向弹簧 |
| double-arc | 双弧 |
| double-barrel separator | 双筒分离器 |
| double-base powder | 双基火药 |
| double-beam cathode-ray tube | 双电子束阴极射线管 |
| double-beam | 双束的 |
| double-bonded hydrocarbon | 双键烃类 |
| double-break switch | 双刀开关 |
| double-byte character set | 双字节字符集 |
| double-case meter | 双壳流量计 |
| double-coated film | 双面药膜底片 |
| double-coated X-ray film | 双面X-射线底片 |
| double-cone bit | 双牙轮钻头 |
| double-cylindered proportioning pump | 双缸比例泵 |
| double-deck floating roof | 双盘浮顶 |
| double-deck shale shaker | 双层泥浆振动筛 |
| double-density recording | 双密度记录 |
| double-dipole array | 双偶极排列 |
| double-dipole spread | 双偶极排列 |
| double-drum rope winch | 双滚筒绞车 |
| double-effect evaporator | 双效蒸发器 |
| double-end bolt | 双端螺栓 |
| double-end | 双头的 |
| double-ended boiler | 双头锅炉 |
| double-ended charge | 双端装药爆炸筒 |
| double-ended clamp | 双向端子 |
| double-ended spanner | 双头扳手 |
| double-ended wrench | 双头扳手 |
| double-faulted anticline | 双重断错背斜 |
| double-grip large bore single string packer | 双卡瓦大内孔单管封隔器 |
| double-hulled tanker | 双层船壳的油轮 |
| double-image range-finder | 双象测距仪 |
| double-image telemeter | 双象测距仪 |
| double-jointing machine | 双管焊接机 |
| double-jointing pipe | 双根钻杆 |
| double-jointing | 双管焊接 |
| double-layer adsorption | 双层吸附 |
| double-layer capacitance | 双层电容 |
| double-layer potential | 双层电势 |
| double-layer weathering | 双风化层 |
| double-length accumulation | 双倍长累加 |
| double-length multiplication | 双倍长乘法 |
| double-length number | 双倍长数 |
| double-length numeral | 双倍长数 |
| double-length word | 双倍长字 |
| double-length | 双倍字长 |
| double-linked carbon | 双键碳原子 |
| double-log | 双对数 |
| double-pass tray | 双流塔盘 |
| double-pin connection | 双头阳螺纹接头 |
| double-ply pump | 双联抽油泵 |
| double-ply | 双层的 |
| double-porosity model | 双重孔隙介质模型 |
| double-porosity system | 双重孔隙介质 |
| double-ported valve | 双孔阀 |
| double-precision arithmetic | 双精度运算 |
| double-precision computation | 双精度计算 |
| double-precision number | 双精度数 |
| double-precision quantity | 双精度数 |
| double-pulse modulation | 双脉冲调制 |
| double-row conic roller bearing | 双列锥形滚柱轴承 |
| double-run | 双重观测 |
| double-seal port collar | 双密封带孔短接 |
| double-section filter | 双节滤波器 |
| double-sideband modulation | 双边带调制 |
| double-sideband transmission | 双边带传输 |
| double-sided floppy | 双面软磁盘 |
| double-slip casing bowl | 双套卡瓦打捞筒 |
| double-studded flange | 双头螺栓连接的法兰 |
| double-tagging | 双标记 |
| double-thrust bearing | 双向止推轴承 |
| double-tilted navigation sub | 双弯度导向接头 |
| double-tracer technique | 双指示剂法 |
| double-tube core barrel | 双筒取心筒 |
| double-tube horizontal separator | 双筒卧式分离器 |
| double-tuned | 双调谐的 |
| double-wall corrugated pipe | 双壁波纹管 |
| double-wall drill pipe | 双壁钻杆 |
| double-walled container | 双壁容器 |
| double-walled cryogenic storage tank | 双壁深冷储罐 |
| double-walled steel tank | 双壁钢罐 |
| double-wavelength spectroscopy | 双波长光谱法 |
| double-wound relay | 双线圈继电器 |
| double-zoned coralla | 双带型珊瑚 |
| doublet | 成对物；偶极子；双重线；偶极天线；双重透镜；复制品 |
| doubletrack prices system | 价格双轨制 |
| doubletracks system | 双轨制 |
| doubling counter | 双倍计算器 |
| doubling method | 双重法 |
| doubling yard | 把管子焊接成双接口管段的场地 |
| doubling | 加倍；双重；重合；再蒸馏；防护板；并线 |
| doubly plunging anticline | 双倾伏背斜 |
| doubly plunging fold | 双倾伏褶皱 |
| doubly stochastic matrix | 双随机矩阵 |
| doubly subscripted variable | 双下标变量 |
| dowel screw | 双头螺钉 |
| dp | 双重目的 |
| DPDT | 双刀双掷 |
| dpl. | 双的；双工的 |
| DPST | 双刀单掷 |
| drilling mast | 浅井井架；双腿井架 |
| DRS | 双倍右移位 |
| DS | 双密封 |
| DSA weld | 双向埋弧焊 |
| DSN | 双源距中子测井 |
| DSS tubing joint | 双密封专用油管接头 |
| DTU | 双斜U形接头 |
| duad | 双数；偶 |
| dual amplification circuit | 双重放大电路 |
| dual auto-alternate sweep | 双自动交替扫描 |
| dual beam oscilloscope | 双线示波器 |
| dual bore cluster drilling | 密集双筒钻井 |
| dual brake-control | 双重刹车控制；复式闸控 |
| dual caliper | 双井径测井仪 |
| dual capacitor | 双联电容器 |
| dual closed in pressure valve | 双重关井阀 |
| dual closure stress | 双闭合应力 |
| dual column chromatography | 双柱色谱 |
| dual completion | 双层完井 |
| dual crossing | 双线穿越 |
| dual dipmeter | 双地层倾角测井仪 |
| dual discovery | 双油层油井 |
| dual displacement | 双重驱替 |
| dual drill rig | 双筒井钻机 |
| dual drive | 双传动 |
| dual economy | 双重经济 |
| dual elevator system | 双吊卡系统 |
| dual emulsion | 双重乳状液 |
| dual exchange rate | 双重汇率 |
| dual exponential fit method | 双指数拟合法 |
| dual flow filter | 双向过滤器 |
| dual frame photometric detector | 双火焰光度检测器 |
| dual frequency | 双频 |
| dual gear | 双联齿轮 |
| dual gravel pack | 双层砾石充填 |
| dual guided slush service valve | 双导板泥浆泵阀 |
| dual hanger | 双管悬挂器 |
| dual horsehead unit | 双驴头装置 |
| dual hydraulic cylinder assembly | 双液缸装置 |
| dual hydrostatic packer | 双管水力封隔器 |
| dual induction focused log instrument | 双感应聚焦测井下井仪 |
| dual induction focused log | 双感应聚焦测井 |
| dual induction laterolog | 双感应-侧向测井 |
| dual induction log | 双感应测井 |
| dual induction spherically focused log | 双感应球形聚焦测井 |
| dual induction-laterolog-8 equipment | 双感应-八侧向测井下井仪 |
| dual injector | 双层分注井 |
| dual laterolog | 双侧向测井 |
| dual metamorphism | 双重变质作用 |
| dual mineral method | 双矿物法 |
| dual mineral model | 双矿物模型 |
| dual mineral porosity method | 双矿物孔隙度法 |
| dual modulation | 双重调制 |
| dual nature | 双重特性 |
| dual odometer | 双深度计数器 |
| dual operation | 双重控制 |
| dual packer | 双管封隔器 |
| dual path crossover tool | 双通道转换工具 |
| dual peak height | 双峰高度 |
| dual pipeline | 双线 |
| dual plate tectonics | 双板块构造 |
| dual polarity section | 双极性剖面 |
| dual porosity behavior | 双重孔隙介质产层动态 |
| dual porosity CNL | 双孔隙度补偿中子测井 |
| dual porosity reservoir | 双重孔隙介质储层 |
| dual porosity | 双孔隙度 |
| dual pot filter | 双罐过滤器 |
| dual pot unit | 双罐装置 |
| dual price basis | 双重价格 |
| dual producer | 双层分采井 |
| dual pumping well | 双层抽油井 |
| dual rate system | 双重运费制度 |
| dual ratio reducation | 双减速比装置 |
| dual receiver | 双接收器 |
| dual reciprocating diverter | 双循环分流器 |
| dual resin | 双峰分布树脂 |
| dual rotating diverter | 双筒旋转式分流器 |
| dual saturation | 双饱和度 |
| dual screen prepack | 双层预充填筛管 |
| dual seal | 双密封 |
| dual shale shaker | 双振动筛 |
| dual slope AD converter | 双斜率模数转换器 |
| dual spaced neutron log | 双源距中子测井 |
| dual spaced thermal decay time log | 双源距热中子衰减时间测井 |
| dual stratification | 双层 |
| dual string head | 双管井口装置 |
| dual string injection | 双管注入 |
| dual string retrievable packer | 双管可收回封隔器 |
| dual string thick oil pump | 双管稠油泵 |
| dual string tubing hanger | 双管悬挂器 |
| dual string well packer | 双油管井封隔器 |
| dual tariff | 双重关税 |
| dual trace amplifier | 双线放大器 |
| dual trace oscilloscope | 双线示波仪 |
| dual tracer ejector | 双示踪剂喷射器 |
| dual trailer | 双钩 |
| dual tubing hanger | 双管悬挂器 |
| dual tubing wellhead | 双油管采油井口装置 |
| dual unit processor | 双单元处理机 |
| dual valve pump | 双阀抽油泵 |
| dual water method | 双水法 |
| dual water model | 双水模型 |
| dual water quicklook interpretation | 双水法快速直观解释 |
| dual well | 双筒井 |
| dual zone concentric completion | 双层同心管完井 |
| dual zone gravel pack completion | 双层砾石充填完井 |
| dual-acting rodless gas-actuated pump | 双作用无杆气动泵 |
| dual-axis inclinometer | 双向测斜仪 |
| dual-axis universal joint | 双轴万向接头 |
| dual-burst thermal decay time logging | 双脉冲热中子衰减时间测井 |
| dual-channel oscilloscope | 双电子束示波器 |
| dual-channel satellite receiver | 双通道卫星接收机 |
| dual-density tape | 双密度磁带 |
| dual-detector | 双检测器 |
| dual-frequency EM system | 双频电磁系统 |
| dual-fuel burner | 双燃料喷燃器 |
| dual-fuel engine | 双燃料发动机 |
| dual-grip | 双卡瓦的 |
| dual-head meter | 双头流量计 |
| dual-in-line package | 双列直插式封装 |
| dual-line valve | 双控制管阀 |
| dual-number system | 双数系统 |
| dual-permeability | 双重渗透率 |
| dual-polarization coverage | 双极化范围 |
| dual-polarized | 双极化的 |
| dual-purpose oil | 双效油 |
| dual-spaced density log | 双源距密度测井 |
| dual-string completion | 双管完井 |
| dual-tubing string | 双油管柱 |
| dual-water GLOBAL | 双水GLOBAL程序 |
| dual-zone completion | 双层完井 |
| dual-zone injection well | 双层分注井 |
| dual-zone injector | 双层分注井 |
| dual-zone well | 双层分采井 |
| dually completed well | 双层完成井 |
| duo- | 双的 |
| duo-twist system | 双头假捻体系(两根复丝合并后经假捻定形 |
| duo-twist texturing | 双头假捻变形工艺 |
| duodiode | 双二极管 |
| duodynatron | 双负阻管；双打拿管 |
| duomatic control | 双自动控制 |
| duoplasmatron | 双等离子体发射器 |
| duotetrode | 双四极管 |
| duotriode | 双三极管 |
| DUP | 双单元处理机 |
| duplet bond | 双键；偶键 |
| duplex acting | 双作用的 |
| duplex cable | 双心电缆 |
| duplex channel | 双向通道 |
| duplex compressor | 双动压缩机 |
| duplex multivibrator | 双多谐振荡器 |
| duplex phase stainless tube | 双相不锈钢管 |
| duplex pump | 双缸泵 |
| duplex reciprocating pump | 双缸往复泵 |
| duplex reluctance seismometer | 双电磁阻抗检波器 |
| duplex transmission | 双工传输 |
| duplex | 双联法；双的；二重的；二倍的；双联的；复式的；双工的 |
| duplexcavity | 双重空腔；双腔谐振器 |
| duplexer | 双工机；天线转换开关；天线共用器 |
| duplexing | 双 |
| duplicate gear | 双联齿轮 |
| duplication check | 双重校验 |
| duplication of marking | 双重标志 |
| DWQL | 双水法快速直观解释 |
| Dx | 双的 |
| dyad | 二；一双；并向量；二价元素；二价基 |
| dyadic system | 双值运算系统；二进位数制 |
| Dyadosporonites | 双孔双胞孢属 |
| dyon | 双荷子 |
| eigram | 双字母组 |
| ELDOR | 电子双共振 |
| electrical double layer | 双电荷层 |
| electron double resonance | 电子双共振 |
| electron nuclear double resonance spectroscopy | 电子核磁双共振谱学 |
| electron nuclear double resonance | 电子核磁双共振 |
| electrostatic double layer | 双电层 |
| ellipse-hyperbolic system | 椭圆-双曲线系统 |
| end-to-end discharge | 双端卸载 |
| ENDOR | 电子核磁双共振；顺磁核磁双共振 |
| equiangular hyperbola | 等角双曲线 |
| equiflux heater | 双面辐射加热炉 |
| equilateral hyperbola | 等边双曲线 |
| external double deck floating roof tank | 双盘式外浮顶油罐 |
| ferroresonant flip-flop | 铁磁共振双稳态多谐振荡器 |
| field glasses | 野外用双筒望远镜 |
| flumping well | 双层分采井 |
| fluorescence microwave double resonance | 荧光微波双共振法 |
| FMDR | 荧光微波双共振法 |
| full duplex | 全双向的 |
| furious cross-lamination | 双重交错纹理 |
| furious cross-stratification | 双重交错层理 |
| gemel | 铰链；成对的；双生的 |
| Gemini | 双子座 |
| geosynclinal bicouple | 地槽双联体 |
| glide twin | 滑移双晶 |
| H-pole double circuit feeder | H形电杆双回路馈线 |
| half-duplex transmission | 半双向传输 |
| half-duplex | 半双向 |
| heterofil bicomponent fibre | 异质双组份纤维 |
| hexagonal-dipyramidal class | 六方双锥组 |
| hydraulic-set dual hanger | 水力坐封双管悬挂器 |
| hydrostatic dual packer | 水力式双管封隔器 |
| hyp. | 双曲线的 |
| hyperbola of higher order | 高阶双曲线 |
| hyperbola | 双曲线 |
| hyperbolic curve | 双曲线 |
| hyperbolic decline exponent | 双曲线递减指数 |
| hyperbolic decline pattern | 双曲线递减型 |
| hyperbolic differential equation | 双曲型微分方程 |
| hyperbolic extrapolation | 双曲线外推 |
| hyperbolic function | 双曲函数 |
| hyperbolic lattice | 双曲线格网 |
| hyperbolic locus | 双曲线轨迹 |
| hyperbolic logarithm | 双曲线对数 |
| hyperbolic navigation system | 双曲线导航系统 |
| hyperbolic partial differential equation | 双曲型偏微分方程 |
| hyperbolic position | 双曲线定位 |
| hyperbolic position-fixing system | 双曲线定位系统 |
| hyperbolic scale | 双曲线比例尺 |
| hyperbolic type | 双曲型 |
| hyperbolic velocity filtering | 双曲线速度滤波 |
| hyperbolic | 双曲线的；夸张法的；夸大的 |
| hyperboloid | 双曲面 |
| hypoid gear oil | 双曲线齿轮油 |
| hypoid gear | 准双曲面齿轮 |
| indented documents | 双联文件 |
| indenture | 双联合同 |
| internal double bond | 内双键 |
| inverse hyperbolic function | 反双曲函数 |
| isodigeranyl | 异双NFDAF牛儿基 |
| large twin compressor | 大型双联压缩机 |
| LDP | 双倍精度寄存 |
| lemniscate | 双纽线 |
| lenticular lens | 双面凸透镜 |
| lenticulation | 透镜光栅；双凸透镜形成；透镜光栅膜制造方法 |
| Lipkin bicapillary pycnometer | 利普金双毛细管比重计 |
| load double precision | 双精度装入 |
| log-log analysis | 双对数曲线分析 |
| log-log coordinate | 双对数坐标 |
| log-log diagnosis plot | 双对数诊断曲线 |
| log-log graph | 双对数曲线图 |
| log-log paper | 双对数坐标纸 |
| log-log plot | 双对数坐标图 |
| log-log type curve | 双对数型曲线 |
| magnesium-zine binode | 镁锌双阳极 |
| matrix-fibril bicomponent fibre | 基质-原纤型双组分纤维 |
| metal-chelated PTO fibre | 聚对苯二甲酰草酰双脒腙金属螯合纤维 |
| metrechon | 双电子枪存储管 |
| mooring swivel | 双锚锁环 |
| multicasting | 立体声双声道调频广播 |
| multiple twin | 聚片双晶 |
| NMDR | 核磁双共振 |
| non-hyperbolic moveout | 非双曲线时差 |
| nuclear magnetic double resonance | 核磁双共振 |
| numerical dual coding | 数字的双重编码 |
| oboe | 双簧管 |
| oil field float | 油田卡车拖挂的双轮平板拖车 |
| OMS | 双向存储器开关 |
| on-and-off controller | 双位开关控制器 |
| open and shut valve | 双位开关 |
| open hole straddle packer test string | 裸眼跨式双封隔器测试管柱 |
| OTS | 双向阈值开关 |
| outer Helmholtz double layer | 外亥姆霍兹双层 |
| ovonic memory switch | 双向存储器开关 |
| oxydol | 双氧水 |
| paired basin framework | 双盆地格局 |
| paired belts | 双变质带 |
| paired cable | 双股电缆 |
| paired facies belts | 双相带 |
| paired metamorphic belts | 双变质带 |
| parent | 起源；本源的；双亲；祖先；亲本；母体 |
| peck | 双加仑桶 |
| perkins method | 双木塞注水泥法 |
| phase-bistable flip-flop | 相位双稳态多谐振荡器 |
| phasor dual induction logging tool | 相量双感应测井 仪 |
| piecewise bilnear function | 分段双线性函数 |
| ping pong | 双磁带操作 |
| pipe in pipe casing | 双层组合套管结构 |
| plymetal | 双金属；涂金属层板；夹金属胶合板 |
| preventer of double ram type | 双闸板式防喷器 |
| pulsometer | 蒸汽双缸泵 |
| radux | 计数制的基数；远距离双曲线低频导航系统 |
| range-range determination | 双距定位法 |
| RDH packer | 可收回型水力坐封双管封隔器 |
| rectangular hyperbola | 等轴双曲线 |
| reference beam method | 双光束法 |
| reversible chain tongs | 双面链钳 |
| rhombic-dipyramidal class | 菱方双锥组 |
| rhombic-disphenoidal class | 菱方双楔组 |
| right hyperbola | 正双曲线 |
| roadster | 跑车；双人座敞篷汽车 |
| saturation of double bonds | 双键的饱和 |
| SECDED | 单错校正双错检测 |
| selective dual completion | 选择性双层完井 |
| semitrailer | 双轮拖车 |
| shear-wave birefringence | 横波双折射 |
| side by side tubing string | 双油管柱 |
| side-by-side bicomponent fibre | 并列型双组分纤维 |
| signed digraph | 符号双字音技术 |
| simultaneous drilling | 双筒钻井 |
| single cylinder two stage air compressor | 单缸双级空压机 |
| single-pole double-throw | 单刀双掷 |
| sinh | 双曲正弦 |
| SLD | 双倍左移 |
| soft line | 双股松绞细绳；油麻绳 |
| SP-DST | 双封隔器中途测试 |
| SPDT | 单刀双掷 |
| spectacle plate | 双孔板 |
| speedster | 高速双座敞蓬汽车 |
| spherical double-wall tank | 双壳球罐 |
| spinner motor | 双转子电动机 |
| split level rig | 双高度钻机 |
| splittable bicomponent fiber | 可剥离双组分纤维 |
| spool | 浅管；线轴；绕在卷轴上的材料；双端凸缘管；缠绕；假脱机；防喷器中间的四通；两端带法兰的短管 |
| SRD | 双倍右移 |
| straddle barge | 双体船 |
| straddle packer | 跨式双封隔器中的一个封隔器 |
| straddle test | 双封隔器选择性地层测试 |
| straddle-packer test | 跨式双封隔器地层测试 |
| Stridiporosporites | 脊肋双孔孢属 |
| stud bolt | 双头螺栓 |
| stud driver | 双头螺栓扳手 |
| stud remover | 双头螺栓拧出器 |
| stud | 双头螺栓 |
| superimposed mode | 双重显示方式 |
| symmetric twin | 对称双晶 |
| T-FF | 双稳态触发器 |
| tanh | 双曲正切 |
| term-limit pricing | 在规定时间内买卖双方的合同价格 |
| terminal double bond | 末端双键 |
| tetrachlorobisphenol A | 四氯双酚A |
| tetragonal-dipyramidal class | 四方双锥组 |
| tetragonal-disphenoidal class | 四方双楔组 |
| thermometal | 双金属 |
| tiered twisting machine | 双层加捻机 |
| TMMF | 双矿物骨架标志 |
| TOTCO double-recording clinograph | 托克双记录单点式测斜仪 |
| trigger flip-flop | 双稳态触发器 |
| trigonal-dipyramidal class | 三方双锥组 |
| twin arc submerged arc welding | 双弧埋弧焊 |
| twin blowout preventer | 双层防喷器 |
| twin cable | 双芯电缆 |
| twin conductor | 双股导线 |
| twin cylinder | 双汽缸 |
| twin diesel | 双柴油机 |
| twin elbow | 双肘管 |
| twin engine | 双发动机 |
| twin oblique photography | 双镜头倾斜摄影术 |
| twin packer | 双封隔器 |
| twin pipe line | 双管线 |
| twin pump | 双缸泵 |
| twin rudders | 双舵 |
| twin screw | 双桨；双螺杆 |
| twin wire | 双股线 |
| twin | 成双的 |
| twin-beam | 双光束 |
| twin-cone bit | 双牙轮钻头 |
| twin-hook hoist | 双钩倒链 |
| twin-hull semisubmersible derrick barge | 双身半潜式起重船 |
| twin-lead cable | 平行双芯导线 |
| twin-mesh structure | 双网状构造 |
| twin-rotor mass flowmeter | 双转子质量流量计 |
| twin-T filter | 双T形滤波器 |
| twinning | 成对；形成双晶 |
| twinstring dual-completion | 双管两层完井 |
| two axis accelerometer | 双轴加速仪 |
| two cup straddle tool | 双皮碗跨越式工具 |
| two drum winch | 双滚筒绞车 |
| two plug method | 双塞注水泥法 |
| two point electrodes | 双点电极 |
| two porous media | 双孔隙介质 |
| two range Decca | 双距离德卡导航系统 |
| two stage | 双级的；两阶段的 |
| two stage-charger valve | 双级充气阀 |
| two stars navigation | 双星导航 |
| two trace tube | 双伴热管 |
| two way travel time | 双程走时 |
| two--mineral solution | 双矿物解 |
| two-address computer | 双地址计算机 |
| two-arm caliper | 双臂井径仪 |
| two-beam interference fringe | 双束干涉条纹 |
| two-boat operation | 双船作业 |
| two-channel amplifier | 双通道放大器 |
| two-component spray gun | 双组分喷枪 |
| two-cone bit | 双牙轮钻头 |
| two-cone | 双锥 |
| two-core-cable | 双芯电缆 |
| two-drum hoist | 双滚筒绞车 |
| two-head automatic arc welding machine | 自动双头弧焊机 |
| two-hole film | 双孔底片 |
| two-jet method | 双喷嘴法 |
| two-legged mast | 双腿井架 |
| two-loop induction sounding | 双回线感应测深 |
| two-magnetometer system | 双磁力仪系统 |
| two-path amplifier | 双通道放大器 |
| two-pen recorder | 双笔记录仪 |
| two-phase media | 双相介质 |
| two-pronged grab | 双叉抓斗 |
| two-roller bit | 双牙轮钻头 |
| two-screw pump | 双螺杆泵 |
| two-sided filter | 双边滤波器 |
| two-sided least-squares inverse filters | 双边最小平方反滤波器 |
| two-sided operator | 双边算子 |
| two-sided test | 双侧检验 |
| two-sided | 双边 |
| two-speed motor | 双速电动机 |
| two-stack blowout-preventer system | 双组防喷器装置 |
| two-stack system | 双组防喷器装置 |
| two-stage cementing | 双级注水泥 |
| two-stage flue gas expander | 双级烟气轮机 |
| two-stage single-acting compressor | 双级单作用压缩机 |
| two-string completion | 双管完井 |
| two-tubing dual completion well | 双管双层分采完成井 |
| two-way bit | 双刮刀钻头 |
| two-way communication | 双向通信 |
| two-way control | 双路控制 |
| two-way cylinder | 双向油缸 |
| two-way exchange | 双向交换 |
| two-way rate | 双向汇率 |
| two-way stretch | 双向拉伸 |
| two-way switch | 双向开关 |
| two-way time | 双程时间 |
| two-way transmission coefficient | 双向透射系数 |
| two-way tumbler switch | 双连开关 |
| two-way voice communication | 双向电话通信 |
| two-way wave field | 双程波场 |
| two-way | 双向 |
| two-wire cable | 双芯电缆 |
| two-zone drawing system | 双区拉伸体系；双区牵伸系统 |
| two-zone high drafting | 双区大牵伸 |
| two-zone single selection completion | 双层分采完井 |
| twoprice system | 双价制 |
| TWT | 双程旅行时 |
| unidyne | 灯丝屏极同一电源式双栅极管 |
| union purchase system | 双杆联吊起重系统 |
| uranyl | 双氧铀 |
| vertical two-way travel time | 垂直双程旅行时 |
| welding by both sides | 双面焊 |
| zero-zero gel | 双零值静切力凝胶 |