[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

卧室新风夜间静音档实测噪音应≤30dB才不影响睡眠;很多机型标称噪音是最低档数据,实际有效换气档位(150m³/h以上)常达40dB+,购买前应查各风量档对应噪音表

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