[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

撞击声隔音看减震垫的减震降噪值ΔLw,橡胶+软木复合垫可达18-22dB,普通EVA泡沫垫仅8-12dB,楼板隔音需选ΔLw≥18dB的产品

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