“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	refresh rate refresh testing refrigerant refrigerant alternative and phase out refrigerant charging refrigerant compressor condensing unit refrigerant for vehicle air conditioner refrigeranting cycle refrigerant pipe refrigerant reclamation machine refrigerated and insulated vehicles refrigerated aquatic products refrigerated container refrigerated lorry refrigerated railway equipment refrigerated transport refrigerated transport equipment refrigerated vehicle refrigerating cabinets refrigerating machine refrigerating machinery refrigeration refrigeration appliance refrigeration by adiabatic demagnetization of a paramagnetic salt refrigeration by nuclear adiabatic demagnetization

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。