Unverified78% confidenceTradeoffTime unknown
背负舒适度与包型冲突:贴合背部的通风背板系统会让包变厚、增加自重;扁平贴身设计更轻便利落但久背闷热且压力集中
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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