[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

安装环节的收边与墙体密封对最终隔音影响可达数dB:窗框与墙体间必须发泡填充+防水密封,若只换窗不处理原有洞口缝隙,再好的玻璃也会漏声

1
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82%
Confidence
Long-term
Relevance
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