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Vibration drilling
释义
Vibration drilling
Encyclopedia
理学
钻进方法
释
Vibration drilling
振动钻进
利用能产生周期振动的机械结构(振动器)驱动钻柱振动,通过对钻头施加钻压贯入地层,使得地层介质剪切破坏,实现钻进和取样目的的钻进方法。
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Outbound Mergers &Acquisitions
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outbreak investigation
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outbred mouse
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outcome evaluation
outcome space
outcome stele at Jincheng Wuju Hall
outcrop
outcrop of mineral resources
outcrossing
out-degree
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