“top drive rig”的概念、定义、翻译、参考文献-科学参考

单词	top drive rig
释义	top drive rig Encyclopedia 理学钻机释 top drive rig顶驱钻机采用顶驱结构型式，通过升降系统控制钻压，可接立根钻进的钻机。
随便看	astronomical spectroscopy astronomical symbols astronomical technique astronomical telegram Astronomical telescope astronomical telescope astronomical test astronomical tests of general relativity astronomical theodolite astronomical tide astronomical time astronomical timekeeper astronomical time scale astronomical triangle astronomical twilight astronomical unit astronomical unit, AU astronomical vertical astronomical year book astronomical zenith Astronomic Map in Beijing Longfu temple caisson Astronomic Map in Suzhou astronomic triangle Astronomische Gesellschaft Astronomische Gesellschaft Katalog

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。