[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

换气量与噪音成正比:全速运行普遍45-55dB影响睡眠,选购需确认'夜间/低速档'噪音≤30dB,且低速档新风量仍能满足单间需求(≥30m³/h)

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85%
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Long-term
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curl https://kongchang.com/api/v1/knowledge/claims/174046
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