Unverified82% confidenceTradeoffTime unknown
轻薄折叠性与结构支撑性矛盾：超轻可卷收款（<200g）没有硬底板，换尿布时台面不平整；带定型硬板的款更好用但折叠后体积大且重
1
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82%
Confidence
Long-term
Relevance
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Unverified全硬板结构带来较好的侧壁支撑与可堆叠性，但代价是折叠后体积相对软壁款更大，二者不可兼得81% similarUnverified承重与容积互斥：同尺寸下，加装承重支撑板/加厚坐面会挤占内部空间，纯收纳款内部无隔板容积最大但坐面软塌；两者兼顾选带可拆卸硬质盖板的款式80% similarUnverified承重与折叠便利性存在矛盾：承重越高需要越厚的硬质支撑板和金属框架，折叠后越难压缩、越重；纯软布折叠款收纳最省空间但基本不能承重80% similarUnverified尺寸可调节的伸缩隔板方便适配和后期换柜，但伸缩接缝处是承重弱点且长度可调的款式往往偏薄；固定尺寸整块层板承重更强但换柜就浪费79% similarUnverified容量与重量、结构挺括度相互矛盾：大容量包为了防塌陷会用更多支撑板和厚面料从而更重，追求轻量化的包则往往软塌、装满后变形显乱79% similar
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