[KongchangAI]
Unverified82% confidenceCautionTime unknown

隔音主要靠面料克重和厚度,克重≥300g/㎡的加厚绒布或三层复合布能降低约5-10分贝,但对低频交通噪音效果有限,临街真正隔音应优先解决门窗密封而非依赖窗帘

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