[KongchangAI]
Unverified80% confidenceFactTime unknown

隔音主要取决于克重与厚度,克重≥400g/㎡且做2-2.5倍褶皱打褶的厚绒布可降噪约3-8分贝;单靠窗帘无法有效隔绝低频交通噪音,真正隔音需依赖中空/双层玻璃

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80%
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Long-term
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