Unverified85% confidenceDecision RuleTime unknown
堆叠层数上限看盒体是否有四角加强筋和顶部承重凹槽设计：普通PP盒安全堆叠3-4层，带堆叠导轨/卡扣结构的可达5-6层；纸板收纳盒不建议超过2层
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85%
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Long-term
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Unverified承重叠放场景优先选壁厚≥1.5mm的PP盒，盒盖四角需有嵌套凹槽（防滑落设计）；无凹槽的平盖盒叠高易侧滑倒塌86% similarUnverified叠放稳固性看盒盖是否有凹槽卡位设计，平盖盒叠放易滑落；带上下咬合结构的盒可稳定叠3层以上，承重标注应≥5kg再叠放重物86% similarUnverified标注可叠层数需看单盒承重，多数塑料盒单盒承重3-5kg，叠6层以上底层易变形；重物或高叠放选带独立框架/金属立柱的展示柜结构85% similarUnverified带盖顶部平整的硬质盒可实现床底二层堆叠，前提是净空≥30cm；软盖或圆弧顶盒无法堆叠，选购堆叠方案需确认盒盖具备承重卡槽设计84% similarUnverified需叠放使用时，选盒盖为凹槽卡位设计（上盒底嵌入下盒盖）的款式，比纯平顶叠放防滑移；叠放层数建议≤3层，超过取底层需整体搬动84% similar
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