“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	assembly process equipment assembly processing simulation technology assembly process layout system assembly process planning system assembly process simulation assembly process system assembly quality control assembly reactions of cell metabolism assembly robot assembly site visualization assembly space assembly technology assembly test of system assembly time assembly tolerance analysis assembly tolerance design assembly tolerance synthesis assembly type assertion assertion of bankruptcy claims assertion sign assertive evidence assertiveness training assertive proposition assertive sentence

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。