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compound drive drilling
释义
compound drive drilling
Encyclopedia
工学
钻井方法
释
compound drive drilling
复合驱动钻井
钻头的驱动由地面驱动(转盘驱动或顶部驱动)和地下驱动(一般为井下螺杆钻具或涡轮钻具)两部分组成,钻头的转速是两部分驱动转速合成的钻井方法。
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source of environmental t tritium
source of error
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source of international tax law
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source of selected titles
source of variation
Source of War in the Far East
source particle
source peeling
source place
source plasma
source plasma collection
source plasma management
source [point]
source point
source population
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Source range sub-system
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source recognition
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