“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	area of visibility area opaca area operator and area spectrum area pellucida area photometer area photometry area-preserving area-preserving map area preserving mapping area-preserving mapping area-preserving transformation area principle area ratio area rule area sampling areas for regeneration area signal coordinated control areas of social work practice area source of water pollution area source pollution control system area spectroscopy area symbol area symbol design area theorem area theory

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。