[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

卧室机睡眠档噪音应≤35分贝,超过40分贝会明显影响入睡;但睡眠档CADR通常骤降至标称值的20-30%,需确认低噪档仍有足够净化力

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