“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	physical properties of superconductor physical properties of wood-based panels physical property analysis of geological sample physical property characterization of superconductor physical property measurement experiment physical property of wood physical property package for chemical industry physical property sensor physical property testing instrument physical protection physical protection for nuclear material physical protection system Physical quality index physical quality of life index physical quantity physical quantity sensor physical radio layer physical records and archives arrangement physical region physical regionalization physical register file physical remediation technology physical restoration methods and techniques physical restoration technology for fishery environment Physical Review D

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。