Unverified80% confidenceDecision RuleTime unknown
长期存放待捐物资（3个月以上）应选PP聚丙烯硬质箱体（壁厚≥1.5mm）而非折叠布箱，硬质箱抗压叠放不变形，布箱长期承重后底部塌陷、堆叠上层易倾倒
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80%
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Long-term
Relevance
-
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