请输入您要查询的英文单词:
单词
tension packer
释义
tension packer
tension packer
[
′ten·chən ′pak·ər
]
(petroleum engineering)
A device to pressure-seal the annular space between an oil-well casing and tubing, held in place by tension against an upward push; a type of production packer.
随便看
hmvc
hmve
hmvec
hmvec-d
hmvf
hmvfa
hmvip
hmvk
hmvm
hmvma
hmvmt
hmvo
hmvp
hmvpa
hmvr
hmvs
hmvt
hmw
hmw2
hmwa
hmwag
hmwb
hmwc
hmwck
hmwcp
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/29 16:45:46