Unverified75% confidenceFactTime unknown
即用型补墙膏一支约250-500g，单支覆盖钉孔小修约0.5-1㎡；成品大面积修补更划算的是袋装腻子粉（20kg可批刮约30-50㎡两遍），按修补面积换算用量避免浪费
1
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75%
Confidence
Long-term
Relevance
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