Unverified85% confidenceDecision RuleTime unknown
叠放存储优先选带四角加强筋+平顶盖设计的箱子，弧形盖或薄盖只能顶部堆软物，堆放同款硬箱易塌陷；标注静态承重与动态承重不同，叠放看静态承重（通常≥50kg可叠3层）
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85%
Confidence
Long-term
Relevance
-
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Unverified带盖款优先选一体式硬顶盖（可当踏脚/临时桌面，承重10-30kg），软布翻盖仅能防尘不能承压；无盖款堆叠时上层盒底会压塌下层，超过2层堆叠必须选硬顶盖。88% similarUnverified布艺无纺布箱可折叠省空间但堆叠承重差，堆3层以上易塌陷变形；需要堆叠存储选PP硬质塑料箱，箱壁厚度≥2mm才能稳定叠放86% similarUnverified需堆叠存放（如衣柜顶层叠放2-3个）时，箱体必须为硬质PP框架或带内置支撑板，承压应≥15kg；纯无纺布软箱抽真空后会塌陷变形，无法堆叠84% similarUnverified承重与可折叠不可兼得：可折叠塑料箱因铰链结构存在应力薄弱点，承重通常比同规格固定箱低20-40%，重书优先选固定箱83% similarUnverified可叠放收纳箱需确认承重与卡扣结构：单个空箱能承重≥15kg方可安全码放2-3层，且上下箱体应有嵌套凹槽或卡扣防止滑落；纯平顶无卡扣的箱子叠放时地震/碰撞易倾倒，家有幼儿慎选高叠83% similar
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