“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	twice firing twiddle TWIF twig twig and shoot insect pest twig pattern query twig pattern query, TPQ twig query Twigs of Mume Blossoms Twilight twilight twilight brightness twilight correction twilight emission twilight flat Twilight Heron twilight spectrum twilight zone twill coating twill effect weft-knitted fabric Twill Silk and Gauze with Gold-impressed Patterns of the Yuan Dynasty twill weave twin twin-beam model twin, bicrystal

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