“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	bomb ejection rack unit Bombelli bombesin bomb-gear Bombieri Bombieri,Enrico Bombieri inequality Bombieri inner product Bombieri norm Bombieri prime number theorem Bombieri theorem Bombieri-Weil bound bombing bombing armament system Bombing of Chongqing bombing weapon Bombogor bomb problem bombproof bomb rack bomb rack unit bombyxin bombyxmori cocoon bombyxmori cocoon cooking bombyx mori cytoplasmic polyhedrosis

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