请输入您要查询的字词:
单词
compound drive drilling
释义
compound drive drilling
Encyclopedia
工学
钻井方法
释
compound drive drilling
复合驱动钻井
钻头的驱动由地面驱动(转盘驱动或顶部驱动)和地下驱动(一般为井下螺杆钻具或涡轮钻具)两部分组成,钻头的转速是两部分驱动转速合成的钻井方法。
随便看
relational framing theory
relation algebra
relational interaction
relationality
relational matrix analysis
relational norms
relational orientation
relational product
relational proposition
relational rationality
relational schema
relational self
relational structure
relational symbol
relational system
relational uncertainty
relation between different phonological categories
relation between generation
relation by marriage
relation extraction
relation for the jumps
relation greater than
relation less than
relation matrix
relation of between
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/2/11 21:21:57