单词 | diffusion pump |
释义 | diffusion pumpnoun : a vacuum pump for producing extremely high vacuums by diffusing gas into a jet of vapor of mercury or some heavy oil by which the gas is carried off and which is separated from the gas by condensation |
随便看 |
|
英语词典包含469781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。