[KongchangAI]
Unverified75% confidenceFactTime unknown

常见地面防潮膜标准幅宽多为2m或4m,卷长50-100m;大幅宽可减少接缝数量、提升整体防潮可靠性,大面积施工优先选宽幅

1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
-
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