“井下动力钻具”的概念、定义、翻译、参考文献-科学参考

单词	井下动力钻具
释义	井下动力钻具 Encyclopedia 工学钻井装备释 downhole motor井下动力钻具连接在钻铤与钻头之间，随钻柱一起下入井底，驱动钻头旋转破岩的动力机。又称井下马达。
随便看	teacher identity teacher in different grades teacher in different subjects teacher in role teacher knowledge Teacher Law of the People's Republic of China teacher leadership teacher learning teacher made test teacher media literacy teacher merit pay system teacher metaphor teacher normal school in tongzhou teacher of ideological and political theory courses in colleges and universities teacher online professional learning and development teacher paid by the local people teacher professional development teacher professional development institution teacher professional ethics teacher professionalization teacher professional learning community teacher professional socialization Teacher Qi Opera Troupe teacher quality teacher reflection

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。