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disk-wall packer
释义
disk-wall packer
disk-wall packer
[
′disk ‚wȯl ‚pak·ər
]
(petroleum engineering)
A disklike seal between the outside of the well tubing and the inside of the well casing; used to prevent fluid movement from the pressure differential above and below the sealing point.
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froude number 1
froude number 2
froude numbers
froude pendulum
froude, william
frou frou
frou-frou
froufrou
frou-frous
froughy
frounce
frounceless
froup
frouziness
frouzy
frova
frovatriptan
frovatriptan succinate
frow
froward
froward cape
frowardly
frowardness
frower
frowey
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。
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更新时间:2026/10/6 23:27:43