“孔底动力钻具”的概念、定义、翻译、参考文献-科学参考

单词	孔底动力钻具
释义	孔底动力钻具 Encyclopedia 理学钻具释 downhole motor孔底动力钻具位于钻柱下部，由钻井液（循环介质）或电力驱动，实现回转、冲击碎岩的钻具。
随便看	characteristic vector characteristic vector; eigenvector characteristic vegetable industry characteristic velocity characteristic velocity of rocket characteristic velocity of rockets characteristic water level of reservoir characteristic X-ray characterization characterization and analysis of materials characterization by language characterization factor classification characterization method of phase separation characterization of best approximation characterization of ceramic green body characterization of ceramic powder characterization of hydrocarbon characterization of mechanical properties of metals characterization of semiconductor materials characterization techniques of reservoir pore-throat structure characterization theorem CHaracterizing ExOPlanet Satellite character lemma Character Makeup of Peking Opera character model

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