[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

换气量与噪音存在权衡:高CFM扇转速快噪音大,睡舱/生活舱优先选≤50dB的低速大直径扇(4寸以上),机舱可容忍更高噪音换取风量

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80%
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Long-term
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