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
prevalent-epidemic-pathogens
prevariety
preventable cases in neighborhoods
preventer
preventing collisions at sea
preventing further attack of malaria
preventing natural disasters laws
Preventing suicide: a resource for media professionals
Preventing Suicide:A Resource for Media Professionals
prevention and control forest biological disaster
prevention and control law on meteorological disaster
prevention and control of biosafety and biosecurity
prevention and control of bird strike at airport
prevention and control of feed microbial contamination
prevention and control of infectious disease in railway
prevention and control of malodorous gases
prevention and control of microbial pollution in space cabin
prevention and control of mineral exploitation secondary geological hazards
prevention and control of poisonous and weedy herbaceous plants in grasslands
prevention and control of port pollution
prevention and control of vector in the railway station and train
Prevention and Control System of Social Public Order
prevention and control techniques for infectious diseases of livestock and poultry
prevention and repair measures for ageing of hydraulic structures
prevention and repair measures for fissure on hydraulic structures
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:2026/7/11 5:23:28