“螺杆钻具”的概念、定义、翻译、参考文献-科学参考

单词	螺杆钻具
释义	螺杆钻具 Encyclopedia 理学孔内钻具释 positive displacement motor drill螺杆钻具将钻井循环介质的液压能转化为机械能的容积式孔底动力钻具。简称螺杆钻。
随便看	flecnode curve flecnode surface flecnode tangent flection fleeceflower root Fleeting Gossip by the River Sheng fleet management Fleet of Time fleet planning Fleet Street Fleming Fleming crater Fleming Tamao Kumada oxidation reaction Fleming-Tamao-Kumada oxidation reaction Fleming Tamao oxidation Fleming-Tamao oxidation Flemish Flemish Diamond Flemish giant rabbit Flemish language Flemish Secession Hoax flerovium Flesch Carl flesh-body Bodhisattva flesh goiter

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。