Unverified83% confidenceTradeoffTime unknown
泡棉斜坡触感软、防滑好且不伤宠物，但高密度海绵(≥45D)才能长期承重不塌陷，低密度海绵3-6个月即凹陷失去坡度
1
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83%
Confidence
Long-term
Relevance
-
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