“顶部驱动钻井装置”的概念、定义、翻译、参考文献-科学参考

单词	顶部驱动钻井装置
释义	顶部驱动钻井装置 Encyclopedia 工学钻井装备释 top drive drilling equipment顶部驱动钻井装置动力从井架的顶部直接驱动钻具进行旋转钻进，并能完成多种钻井操作的钻井装置。又称顶驱或顶驱装置。
随便看	centers of crop diversity centers of origin of crops Center Stage center surface center symmetrical figure center-to-center distance center valued trace center-valued trace [center-valued] trace [of a von Neumann algebra] center-valued trace of a von Neumann algebra centesimal centesimal fraction centesimal minute of angle centesimal second of angle centesimal system centi- Centianhe Reservoir centi-bar centigrade centigrade scale centigrade system centile centillion centimeter-excess object centimeter height finder

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。