“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	liability for harm caused by domestic animal liability for harm caused by falling objects without specific tortfeasor liability for harm caused by object liability for harmful performance liability for invalidity of contract liability for medical malpractice liability for motor vehicle traffic accident liability for ultrahazardous activity liability insurance liability of contract liability of insurance law liability of macro-economic regulation Liability of outsiderness liability reserve liability rules Li abundance liaison interpreting liaison officers liaison officers newspaper room Lian lian liana liana fruit tree Lian Bo Liancheng white duck

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。