Unverified85% confidenceTradeoffTime unknown
卷口(roll-top)防水好但每次取物麻烦、容量随卷折递减；拉链取物快但防水弱、拉链是最易损坏点。日常高频取放选拉链，恶劣天气长途选卷口
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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