[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

过滤效率和风量存在矛盾:HEPA滤网越密PM2.5去除率越高,但风阻越大导致实际新风量下降、噪音上升,因此要看的是带滤网满负荷时的有效新风量而非空机标称值

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85%
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