Unverified90% confidenceSolutionTime unknown
旧胶更换必须彻底铲除旧胶残留并用酒精清洁干燥后再打，残留的旧硅胶会导致新胶不粘、脱落漏水，这是密封胶返工发霉的首要原因
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
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