[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

楼板撞击声隔绝需要地毯+吸音垫组合:单纯地毯只能降低同层空气声,若为楼下减少脚步撞击声投诉,必须加装≥8mm高密度乳胶或记忆棉底垫,撞击声改善量ΔLw可达20-30dB

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