The vacuum pump may have a pumping mechanism that exposes the gas stream to water and wherein the water vapour is condensed from the gas stream.
真空泵可以具有抽吸机构，抽吸机构将气体暴露在水中，并且其中水蒸汽从气体流中冷凝。
The vacuum pump may have a pumping mechanism that exposes the gas stream to water and wherein the water vapour is condensed from the gas stream.
真空泵可以具有抽吸机构，抽吸机构将气体暴露在水中，并且其中水蒸汽从气体流中冷凝。
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