Unverified80% confidenceDecision RuleTime unknown
堆叠承重看'满载堆叠'标称而非空箱堆叠，实际使用需按标称承重打7折留安全余量，箱内装书本等重物时单箱建议不超过15kg
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80%
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Long-term
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Unverified堆叠承重需看盒盖凹凸卡槽设计，无卡槽的平盖堆叠易滑落；标注可叠放的产品单层承重通常标注8-15kg，超此重量不建议多层堆放86% similarUnverified移动书架单层承重≥15kg才能安全放置精装书或32开硬皮书；标称承重是均布承重，实际集中堆放需打7折计算85% similarUnverified折叠式收纳箱展开后承重普遍<15kg，不适合堆叠存放重物；固定硬壳PP箱承重可达30kg以上，可安全堆叠2-3层85% similarUnverified尺寸选择应预留冗余：装满后需能对折封口，物品体积超过袋容量80%时拉链处易漏气，故实际存放量建议不超过标称容量的七八成84% similarUnverified折叠收纳箱（可折叠壁）省空间但承重普遍≤15kg且堆叠稳定性差，硬质一体箱承重可达30-50kg，长期堆叠重物选硬质款84% similar
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