Unverified88% confidenceDecision RuleTime unknown
面料克重≥12oz(约340g/㎡)的帆布包能承重5kg以上不变形,适合装书本电脑;日常轻负载选8-10oz即可,过厚会显硬挺不易折叠收纳
1
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88%
Confidence
Long-term
Relevance
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Unverified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84% similarUnverified帆布克重决定挺括度与承重:8-10oz轻薄适合装书本/文件(3-4kg),12oz以上可承重5kg以上适合装水杯、便当等硬物且不易变形83% similarUnverified承重收纳(书籍、餐具)层板厚度需≥18mm且跨度≤80cm,否则长期使用易中间下弯;轻物收纳(衣物、杂物)15mm即可83% similarUnverified折叠后约2cm厚、重量约120g,可放入笔记本内胆包,便携性是此类产品的主要卖点83% similarUnverified折叠厚度与容量呈反比:500ml以下折叠后可压到3-4cm适合放包里,800ml以上折叠后仍有5-6cm且展开高度需求大,追求极致便携应牺牲容量选小号83% similar
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