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单词 cryopump
释义

cryopump

/ˈkrʌɪə(ʊ)pʌmp/
noun
A vacuum pump in which molecules of gases and vapours are trapped by causing them to condense on a surface maintained at a very low temperature.

Origin

1950s; earliest use found in Compressed Air Magazine. From cryo- + pump.

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更新时间:2024/12/23 17:33:54