Unverified88% confidenceDecision RuleTime unknown
单层承重需≥15kg才能安全放满32开精装书；廉价三聚氰胺板搁板长度＞80cm且无中间支撑时，长期负重会出现明显下垂弯曲
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88%
Confidence
Long-term
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Unverified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书架层板要看有效承重标注：单层承重≥15kg才能稳妥放满一层书（约30-40本绘本重10kg+），标称过低或未标注的塑料/薄板层易变形下垂84% similarUnverified落地重型置物架单层承重需看均布承重而非峰值，家用存放书籍/工具箱选单层承重≥80kg（板厚≥1.0mm钢板+加固横梁），普通杂物单层30-50kg足够83% similarUnverified开放式书架单层承重需≥15kg，因绘本单本重达0.5-1kg，一层排满约20-30本可达15-25kg；层板厚度<15mm的板材长期承重易中间下垂变形83% similarUnverified挂钩承重需按满载估算：装满小物件的多层收纳袋总重可达2-4kg，金属挂钩承重应≥5kg留余量；塑料挂钩承重虚标严重，装重物易断裂83% similar
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