请输入您要查询的英文单词:
单词
bottom-hole packer
释义
bottom-hole packer
bottom-hole packer
[
′bäd·əm ‚hōl ‚pak·ər
]
(petroleum engineering)
An anchored-in-place seal used to provide liquid-proof packing in the annular space between the outside of the oil-producing tubing and the inside of the drill casing.
随便看
utmv
utn
utnaa
utnapishtim
utnapishtin
utne
utng
utnif
utnlf
utno
utnp
utnpp
utny
u to
uto
uto-azteca
uto-aztecan
uto-aztecan language
uto-aztecan languages
uto-aztekan languages
utoc
utochkin, sergei
utochkin, sergei isaevich
utoda
utoe
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:2025/7/23 23:12:55