Unverified85% confidenceDecision RuleTime unknown
单层承重≥8kg选实木或金属层板，单层承重3-5kg的塑料书架仅适合放绘本和轻杂志，不宜放精装厚书
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85%
Confidence
Long-term
Relevance
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Unverified承重需求判断：单层放书籍/文件选实木或金属层板承重≥5kg，塑料材质层板普遍承重2-3kg，堆放厚书易变形下弯89% similarUnverified承载书本/文件的收纳架，隔板单层承重需≥5kg且隔板厚度≥15mm（实木/多层板）或钢板厚度≥0.8mm，否则长期堆放书籍会出现中部下凹变形84% similarUnverified金属材质书架自重应≥1.2kg（塑料款需≥0.8kg配防滑底垫），底座宽度需大于支撑面上沿宽度，否则放置大开本书籍时易前倾翻倒83% similarUnverified承重看单层实际承重而非整架承重，实木/多层板单层承重需≥15kg放书籍，钢架冲孔层板单层≥30kg，密度板长期承重超8kg会中间下凹变形83% similarUnverified钢制收纳架单层承重普遍在3-5kg，塑料PP材质单层承重仅1-2kg，放书籍或厚重杂志务必选金属或高密度实木，塑料架长期承重会中间塌陷变形82% similar
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