Unverified85% confidenceTradeoffTime unknown
保冷能力与便携性矛盾：厚硬质冰砖保冷久但重且占空间，软质冰袋轻便贴合但保冷时间短，通勤带饭/短途选软冰袋，露营长途选硬质冰砖
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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