Unverified85% confidenceTradeoffTime unknown
轻便性与结构支撑性存在矛盾：软包空包重量可低至400g但塌陷会压迫宠物，硬底或半硬结构包重达800g-1.2kg但能保持稳定空间
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85%
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Long-term
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Unverified轻便与稳固是核心矛盾：全网布软包空包重仅300-500g但缺乏支撑易变形压到宠物，硬质框架包稳固但空包常达1-1.5kg，加宠物后单肩负重明显89% similarUnverified重量与稳固存在权衡：全铝框架+厚壁拉杆稳但空箱常达4-5kg，加上宠物需搬上下楼梯时很吃力；纯地面拖行可接受重款，需频繁提抱上下车/楼梯则选EVA轻量款（空箱2.5kg内）83% similarUnverified机身不可折叠，虽重量仅约1.6kg但体积相对固定，收纳空间要求比折叠款更大82% similarUnverified可折叠款（一按即扁平收纳）牺牲了坐感和承重上限，通常承重仅80-100kg且坐面偏软；硬质不可折叠款承重更高、更耐用但不占空间时无法收纳82% similarUnverified重量与透气是矛盾关系：全网眼超轻款（＜500g）透气好但支撑性差、包体易塌陷压迫宠物；带硬质骨架的支撑款透气舒适但自重普遍800g-1.2kg81% similar
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