Unverified85% confidenceTradeoffTime unknown
硬质保温箱(EPS/PU发泡)保冷强但笨重占空间，软质保温包(带真空镀铝内衬)轻便可折叠但保冷仅6-12小时，通勤带饭/短途野餐选软包足够
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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