“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	bronchitis bronchodilator bronchopneumonia bronchoscope bronchoscopy bronchus Brong-Ahafo Region Bronislaw Huberman Bronislaw Kaspar Malinowski Bronk crater Bronowski Bronsted acid Bronsted base Bronsted concept of acids and bases brontograph brontothere Brontë crater bronze Bronze Age remains in Mongolia Bronze and Early Iron Age Archaeology in Korean Peninsula bronze and stele inscription school of painting bronze animal sculptures of Shang and Zhou dynasties bronze arms of steelyards with the inscription “Wang” bronze assemblages excavated from Chenggu and Yangxian bronze ax with iron blade

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。