Unverified78% confidenceTradeoffTime unknown
保温效果好与轻便背带矛盾：真空/厚发泡隔热层重且硬，通勤徒步党若在意负重可接受铝箔+高密度EPE折中方案
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
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