“percussion and rotary drilling”的概念、定义、翻译、参考文献-科学参考

单词	percussion and rotary drilling
释义	percussion and rotary drilling Encyclopedia 工学钻井方法释 percussion and rotary drilling冲击旋转钻井在普通旋转钻进的基础上同时使用冲击器，使钻头在冲击动载和静压旋转的联合作用下破碎岩石的钻井方法。
随便看	Arbuthnot arbutin arbutin; arbutoside arbutoside ARC arc ARCA arc additive manufacturing technology arcade arcade game Arcadia Conference Arcane Essentials from the Imperial Library Arcane Principles of Master Zongxuan Arcangelo Corelli arc-component arc connected set arc-connected set arc-connected space arc-convex cup arcCos arccos arccosec arc cosecant arccosecant arcCosh

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