[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

隔绝楼下脚步声、拖椅子等结构传声(撞击声)需选高密度橡胶垫,密度≥1000kg/m³ + 厚度≥5mm,仅靠EVA发泡垫对低频撞击声几乎无效

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