“down hole motor drilling”的概念、定义、翻译、参考文献-科学参考

单词	down hole motor drilling
释义	down hole motor drilling Encyclopedia 理学钻探理论释 down hole motor drilling孔底动力钻进利用置于钻孔底部的孔底动力钻具直接驱动钻头破碎岩石的钻进方法。
随便看	accident case education accident causation chains accident causation models accident causation theory accident causes accident disaster accident disposal of hazardous chemicals accident forecasting accident handling approval accident in civilengineering accident indemnity accident indirect economic loss accident injury insurance accident investigation and treatment accident investigation report accident loss accident model accident peaking accident pool accident prevention accident proneness accident recovery and handling accident report accident report and investigation accident rescue

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