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单词
cryopump
释义
cryo·pump
\ˈkrīōˌˌ\
noun
Etymology:
cry- + pump (I)
:
a vacuum pump whose operation involves the freezing and adsorption of gases on cold surfaces at very low temperatures
•
cryopump
intransitive verb
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更新时间:2025/6/17 5:38:16