“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	de novo synthesis dens dense dense array dense body dense bone dense-buildings-induced ground subsidence dense chain dense cloud dense coding dense connective tissue dense connective tissue of animals dense core dense domain Dense Eaves Towers of Liao and Jin Dynasty dense element dense everywhere dense extension dense flint dense forest dense functional dense granular flow dense ideal dense in-itself dense in itself set

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。