英语词汇“water packer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	water packer
释义	Definition of water packer in English: water packer noun A packer used to prevent movement of water in an oil well, especially downward movement in the space between the wall of the well and the drill pipe. Origin Late 19th century; earliest use found in U.S. Patents. Definition of water packer in US English: water packer noun A packer used to prevent movement of water in an oil well, especially downward movement in the space between the wall of the well and the drill pipe. Origin Late 19th century; earliest use found in U.S. Patents.
随便看	runge-kutta Runge–Kutta rung-head rungie runging run glass rungless rungless rung on the ladder rungpore rungpur rungs Rungu run high run high runholder runholding runic runic runically runic calendar runiform run in run-in run in

　

英语词典包含464360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：2024/12/24 10:49:08