“旋转钻井”的概念、定义、翻译、参考文献-科学参考

单词	旋转钻井
释义	旋转钻井 Encyclopedia 工学钻井方法释 rotary drilling旋转钻井利用钻头旋转时产生的切削作用或研磨作用破碎岩石，并利用钻杆循环流体将破碎的岩屑携带出地面的钻井方法。
随便看	life expectancy life extension of civil engineering life force life form Life Forms life game life history life history characteristics of invasive species life history differentiation of invasive species life history of fish life history strategy theory life history study life imprisonment life insurance mortality table life insurance reserve life insurance reserves Life Is Less than One Hundred Years lifelength lifeline and rescue rope lifeline game life line of the national economy lifelong education lifelong employment system lifelong learning lifelong learning framework

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。