air pump
基本解释
气泵, 抽气机
[化] 气泵; 抽气机; 空压机
英文释义
A kind of pump for exhausting air from a vessel or closed
space; also, a pump to condense air or force it into a closed space.
A pump used to exhaust from a condenser the condensed
steam, the water used for condensing, and any commingled air.
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