“downhole motor”的概念、定义、翻译、参考文献-科学参考

单词	downhole motor
释义	downhole motor 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。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	Shanghai Guojia Huizhan Zhongxin Shanghai Guoji Qichecheng Shanghai Haiwan Guojia Senlingongyuan Shanghai high speed maglev transportation Shanghai History Museum Shanghai Hongqiao comprehensive transportation hub Shanghai Hongqiao Guoji Zhongyang Shangwuqu Shanghai Hongqiao Jingji Jishu Kaifaqu Shanghai Hongqiao multimodal passenger transportation hub Shanghai Hongqiao passenger railway station Shanghai Huachang Zhaoxiang Cailiaohang Shanghai Huaiju Troupe Shanghai Huayi Gongsi Shanghai Huju Opera Troupe Shanghai Indoor Stadium Shanghai Industrial Automation Instrument Research Institute Shanghai Institute of Ceramics，Chinese Academy of Sciences Shanghai Institute of Microsystem and Information Technology，Chinese Academy of Sciences Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences Shanghai Institute of Process Automation & Instrumentation Shanghai Instrument Research Institute Shanghai inter-bank offered rate Shanghai International Circuit Shanghai International Design Center

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