“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	Ring Mirror Installation in Place Vendôme ring mode ring module ring-moon ring morphism ring mountain Ring Nebula ring nebula ring-neck pheasant ring network ring object ring of adeles ring of algebraic integers ring of algebraic Weil cohomology classes ring of constants ring of differentiable functions ring of differential operators ring of differential polynomials ring of dual numbers ring of endomorphisms ring of finite generation ring of finite presentation ring of fractions ring of functions ring of germs

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。