Unverified82% confidenceDecision RuleTime unknown
防泼水看两层：面料涂层（PU/涂硅）应对小雨，但拉链未做防水压胶或无防水拉链的，暴雨中内容物仍会浸湿；标注YKK止水拉链才是真防水
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82%
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Long-term
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Unverified防泼水与防水是两个概念：涂层尼龙(PU/PVC)+YKK防水拉链才算真防水，普通600D牛津布仅防泼水，暴雨会渗88% similarUnverified真防水看两点：面料涂层（PU/TPU覆膜或涂蜡）+拉链是否为防泼水拉链或带防雨盖。仅面料防水而拉链裸露的包，暴雨中水会从拉链缝渗入88% similarUnverified面料为防泼水加防水拉链，可应对小雨和泼溅，但非全防水，暴雨或涉水环境仍需配防雨罩87% similarUnverified防水面料（如DCF无纺布/涂硅尼龙）本身防水，但走线针孔和拉链是漏水点；真正防雨需靠卷口式（Roll-top）封口或额外防雨罩，普通拉链包遇大雨必湿87% similarUnverified防水性能看两点：面料防泼水(涂层/尼龙)只能应付小雨，真正防雨需拉链有防水条或配防雨罩；宣称防水但拉链无遮挡的仍会渗水87% similar
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