[KongchangAI]
Unverified82% confidenceFactTime unknown

隔音毡(高分子阻尼卷材)典型参数:厚度2-3mm,面密度3-6kg/㎡,配合双层石膏板可将墙体隔声量提升8-12dB,需满铺无缝拼接才有效

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