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词汇 mercury vapour pump
释义

Definition of mercury vapour pump in English:

mercury vapour pump

(US mercury vapor pump)
noun
  • A pump which produces a high vacuum by entraining molecules of the gas to be evacuated in a jet of mercury vapour.

Origin

1920s.

Definition of mercury vapour pump in US English:

mercury vapour pump

(US mercury vapor pump)
noun
  • A pump which produces a high vacuum by entraining molecules of the gas to be evacuated in a jet of mercury vapour.

Origin

1920s.

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