英语词汇“plenum ventilation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	plenum ventilation
释义	plenum ventilation a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air. [1835-45]
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