Unverified90% confidenceDecision RuleTime unknown
IPX防水等级不适用于背包,背包防水看的是面料静水压(mmH2O)和结构:真正防水需要TPU/PVC涂层面料+高频热熔焊接接缝+防水卷口(Roll-top)三者齐全,只有防泼水涂层的普通尼龙背包在暴雨下30分钟内会渗水
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