Unverified80% confidenceDecision RuleTime unknown
丁基橡胶胶带厚度是防水关键：厚度≥1.5mm的丁基胶带填缝密封性更好，≤0.8mm的薄款仅适合平整表面小面积修补，缝隙较大或不平整表面必须选厚款
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80%
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