“孔底动力钻具”的概念、定义、翻译、参考文献-科学参考

单词	孔底动力钻具
释义	孔底动力钻具 Encyclopedia 理学钻具释 downhole motor孔底动力钻具位于钻柱下部，由钻井液（循环介质）或电力驱动，实现回转、冲击碎岩的钻具。
随便看	news media management News media operation model News Media Orientation news methodology research NewsML news moral news morality New Social history new socialist countryside New Social Movements New Society Movement new sociology of education News of Churches News of the Country News of the World New Solar Telescope News Ombudsmanship New Songs from a Jade Terrace New Sounds of Qin New South Wales Corps New South Wales, State of newspaper newspaper and periodical distribution newspaper and periodical distribution study newspaper and periodical market

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。