请输入您要查询的字词:
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
Uprising of Chen Sheng and Wu Guang
Uprising of Lake Beloye
Uprising of Sicilian Slaves
uprisings of China Merchants' 13 ships
Uproar in Heaven
U-process
U-process resistivity
UPRONA
UPS
upsampling
UPSC
upscaling of fluid flow in porous media
upscattering
up-selling
upsetting
upshift
upshot
upside
upside-down
Upsilon particle
upsilon particle
Upsilon粒子
upslip
upslope
UPS projection
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:2026/3/28 10:54:19