“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	average development speed average deviation average dispersion average distance average distortion average drift velocity of Brownian particle average driving mileage of tire average elevation plany average error average error 9 mean error average extra depth average extra width average function average functionality average grade of mine district average household size average house price index average income of migrant workers in rural areas average information average inventory average ionization energy loss average land rent average land use for residence per household average laser power Average Length of Stay,ALOS

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。