“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	urbacide Urbain Jean Joseph Le Verrier urban accessible transport system urban aesthetics Urban Affairs Association urban agglomeration urban agglomeration economics urban agglomeration in China urban agglomeration planning urban agglomeration transportation urban agriculture urban air Urban and Regional Planning in Canada urban and rural commodity retail price index urban and rural construction investment urban and rural environmental protection urban and rural integration planning urban and rural map Urban and Rural Planning Act of the People's Republic of China urban and rural planning administration urban and rural planning administrative department urban and rural planning and health urban and rural planning examination and approval authority Urban and Rural Planning, Hunan City University Urban and Rural Planning, Hunan University

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。