“钻杆”的概念、定义、翻译、参考文献-科学参考

单词	钻杆
释义	钻杆 Encyclopedia 工学钻杆释 drillpipe钻杆钻井作业中用于延伸井眼、传递扭矩和输送钻井液，并连接钻机地表设备和井眼底部钻磨设备的空心厚壁圆钢管。理学孔内钻具释 drill rod；drill pipe钻杆钻探施工中用以连接钻头等，并传递钻压、动力、输送冲洗介质的中空杆件。
随便看	surface of class r surface of coincidence surface of congruence surface of constant breadth surface of constant curvature surface of constant geopotential surface of constant phase surface of constant width surface of contact surface of degeneration of type surface of degree p surface of discontinuity surface of equal distances surface of finite type surface of general type surface of genus g surface of genus zero surface of intersection surface of least area surface of Liouville type surface of materials surface of negative curvature surface of order n Surface of phase change heat transfer surface of positive curvature

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。