“孔底动力钻具”的概念、定义、翻译、参考文献-科学参考

单词	孔底动力钻具
释义	孔底动力钻具 Encyclopedia 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	scoop scooping the moon from the bottom of water scoop net fishing scopa scoparone Scopas SCOP database scope scope ambiguity scope calibration scope of administrative law scope of administrative litigation scope of adopting standards scope of a quantifier scope of negation scope sight Scopes Trial scope trigger Scopic Regime scoping study of deposit mining scoping study of mineral resource exploration scopolamine Scopoletin scopoletin scopometer

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。