“冲击旋转钻井”的概念、定义、翻译、参考文献-科学参考

单词	冲击旋转钻井
释义	冲击旋转钻井 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	feed mildew feed mixer feed-point resistance feed preparation machine feed preservative feed preservatives feed probiotic feed processing and modulation technology feed rate feed regulations feed safety and hygiene feed science feed standards feedstuff feedstuffs ingredients of aquatic animal feed-through feedthrough feed-through, pin-through-hole feed to gain ratio feed unit feed water heater feed-water pump feed-water pump start-up and shut-down control feed-water pump turbine control system feed water treatment system

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。