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
Liaocheng Shi
Liao Daonan
liaodaqingye
Liaodong Bandao
Liaodong coastal current
Liaodong Wan
Liao Dynasty
Liao Dynasty ceramics
Liao Dynasty sculptures of the Lower Huayan Temple at Datong
Liao Fan
Liao Fushu
Liao Gang
Liao ghatpot
Liao He
Liaohe depression
Liaohe Farms agribusiness management zone
Liaohekou Shidi
Liaohe Levee
Liaohe Sanjiaozhou
Liaohe Zhongxiayou Pingyuan
LiaoJun
Liao Ke
Liaomei apricot
Liao Mosha
Liaonan coastal current
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:2024/11/6 6:40:09