Unverified85% confidenceDecision RuleTime unknown
拒水处理认准DWR（耐久拒水涂层）而非防水膜：DWR只让水珠滚落保持透气，适合短裤；带防水膜的短裤闷汗严重，实际户外基本不需要
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85%
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Long-term
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Unverified冲锋衣防水靠两层：面料DWR拒水涂层（表面荷叶效应）+防水膜（内部阻水）。DWR是消耗品，失效后面料会‘湿透吸水’虽不漏但闷重，需定期用免洗喷剂或烘干激活恢复89% similarUnverified防泼水标识需区分：DWR涂层（防泼水）仅能抵御小雨和汗湿，遇中大雨会渗水；真正防水需看到PU涂层+压胶接缝或TPU面料+防水拉链，运动背包多数只做DWR89% similarUnverified防水面层依赖DWR拒水涂层，使用后期会失效导致面料'湿透'（实为吸水而非渗漏），需定期用专用清洗剂+热风恢复拒水性，不能用普通洗衣液87% similarUnverified无防水膜的DWR处理在持续降雨或泥泞环境中防水性能有限，不适合作为主力雨裤使用87% similar
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