Unverified85% confidenceDecision RuleTime unknown
二手金属层架优先看层板承重标识，单层承重≥50kg（如钢制货架）才适合放置书籍、工具箱等重物，普通轻型置物架单层多为10-15kg，超载会导致层板中间下凹变形
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85%
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Long-term
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