Unverified78% confidenceCautionTime unknown
老房翻新时若原墙面基层松动空鼓，直接刮隔音腻子无意义，振动会通过空鼓层传导；必须先铲除处理基层、做找平后再施工阻尼层
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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