外螺纹 external thread
外触发 external trigger
焊缝外边缘咬边 external undercut
外加厚钻杆 external upset drillpipe
外加厚端 external upset end
外加厚油管 external upset tubing
外部水驱 external water drive
外空腔调速度管 external-carity klystron
外阴极计数管 external-cathode counter
外阴极倒置磁控管 external-cathode inverted magnetron
外差因素 externalities
外表面;外界;外在性 externality
外触发 external trigger
焊缝外边缘咬边 external undercut
外加厚钻杆 external upset drillpipe
外加厚端 external upset end
外加厚油管 external upset tubing
外部水驱 external water drive
外空腔调速度管 external-carity klystron
外阴极计数管 external-cathode counter
外阴极倒置磁控管 external-cathode inverted magnetron
外差因素 externalities
外表面;外界;外在性 externality
外部催化体系 externally activated system
外部催化树脂 externally catalyzed resin
外脉冲同步系统 externally pulsed system
外猝灭计数管 externally quenched counter tube
外部存储程序 externally stored program
外构造带 externide
干涸湖 extinct lake
死裂谷 extinct rift valley
全循环操作 extinction recycle operation
消光值 extinction value
灭火蒸汽 extinguish steam
灭火剂 extinguishant
消灭者;消灭器;灭火器;熄灯器 extinguisher
灭火 extinguishing
灭火设备 extinguishing equipment
灭火药剂 extinguishing medium
交换或转置 EXTR
额外的 extra
超精度 extra accuracy
附加地址 extra address
额外费用 extra cost
额外负荷 extra duty
附加充填砂 extra fill sand
超细螺纹 extra fine thread
加长把 extra hand
高强捻 extra hard twist
特别火险 extra hazard
超重原油 extra heavy crude
加重型阀门及管件 extra heavy valves and fittings
额外投资 extra investment