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Drilling
containing
环式
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all forms
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in specified order only
Chinese
English
可循环泥浆的卡瓦式打捞筒
circulating slip socket
喷射式循环
jet circulation
套筒式环空防喷器
spherical blowout preventer
安全整体式模块化的高性能低环境污染钻机
safe integrated modular performance lean environment rig
封闭式循环
closed cycle
开式露天循环
open circuit
循环压差式灌浆短节
circulating differential fill collar
机械式循环
mechanical cycling
滑
环式
交流电动机
AC slip ring motor
滑套式侧孔循环装置
sliding side door circulating device
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