“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	Illustrated Catalogue of Antiquities illustrated classic Illustrated Classic of Materia Medica Illustrated Collection of Ancient Metal and Stone Articles Illustrated Collection of Ancient Metal and Stone Aticles Illustrated Descriptions of Ceramics illustrated dictionary illustrated edition Illustrated Family Magazine Illustrated Gazetteer of the Countries Overseas Illustrated History of Chinese Literature Illustrated Local Records of Xinjiang Province Illustrated Novel Magazine Illustrated Pharmacopoeia illustrating one's personality by describing the appearance illustration Illustration and Binding Committee under China Artists Association illustration of radioactive measuring data illustration of textbook Illustration of the Fifteen Feudal States Mentioned in the Book of Odes Illustration Photography Illustrations and Explanations of Ceramic Production Illustrations and Explanations of Several Newly-built Devices Illustrations for A Dream of Red Mansions Illustrations for the "Artificer's Record"

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。