Unverified80% confidenceTradeoffTime unknown
保温性能与重量、便携性成反比：真空双层+厚壁保温更久但更重更粗，追求轻便的单层或薄壁款保温时长通常缩水
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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