[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

卧室助眠用途选噪音≤30dB的超声波静音款,超过35dB的水流声和风扇声会干扰入睡;无水冷扩散机因带气泵普遍噪音偏高(35-45dB),不适合睡眠时长开

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