英语词汇“diffusion pump”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	diffusion pump
释义	diffusion pump noun : 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
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