“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	Electromagnetic field invariant electromagnetic field of moving charged particle electromagnetic field tensor electromagnetic flowmeter /magnetic inductance flowmeter electromagnetic focusing electromagnetic force electromagnetic form factor electromagnetic forming electromagnetic gauge invariance electromagnetic gradient receiver electromagnetic gun electromagnetic high-gradient magnetic filter electromagnetic horizontal ring high-intensity magnetic separator electromagnetic-hydro-mechanical coupling electromagnetic immunity electromagnetic induced roller high-intensity magnetic separator electromagnetic induction electromagnetic induction logging electromagnetic inertia electromagnetic information leakage test receiver electromagnetic instability electromagnetic interaction electromagnetic interference electromagnetic inverse problems electromagnetic inverse scattering problems

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