[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

窗帘宽度应做到窗宽的2倍以上(打褶比2.0),并两侧超出窗框各15-20cm、底部拖地或到窗台下15cm,形成密封包裹才能减少声音绕射,宽度不足打褶只有1.5倍时隔音大打折扣

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Long-term
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