“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	Eastern-Min Subgroup Dialects eastern mole-vole eastern monsoon China Eastern Neptune shrimp Eastern Opera Exhibition and Academic Conference eastern Pacific El Niño Eastern Pact Eastern Province eastern purple coneflower eastern quadrature Eastern question Eastern sect of Taoism Eastern Standard Time Eastern Time Eastern Times Eastern tombs of the Qing Dynasty Eastern Wall Eastern Well Eastern Western Monthly Magazine Eastern Women’s Kingdom eastern woodlands native peoples Eastern Wu Tombs at Echeng and Wuchang Eastern Yugur language Easter Rising East-European aesthetics

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。