“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	urbanization map urbanization model urbanization of China urbanization of villages urbanization rate urbanization strategy urban justice urban labor market urban land rent theory urban landscape in ancient China urban landscape of scenic regions urban landscaping systematic mangement urban land system in China urban land use urban land-use urban land use arrangement urban land use planning urban language urban legend urban lifestyle urban livability urban logistics urban logistic system Urban Management And Law Enforcement urban master plan period

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。