Unverified83% confidenceDecision RuleTime unknown
真正防水的软包应采用TPU涂层+焊接（热压）接缝工艺，仅靠PVC涂层+车缝线的软包在暴雨或高速溅水下会从针孔渗水
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83%
Confidence
Long-term
Relevance
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Unverified防水材质看面料工艺：涂层PU/TPU面料+防泼水拉链可应对小雨溅水，但真正防雨浸泡需焊接压胶缝线，普通车缝线的收纳包缝隙仍会渗水91% similarUnverified真正防水看接缝工艺而非仅面料：涂层面料仅防泼溅，遇暴雨需选压胶热熔接缝+防水拉链(TPU涂层)才能防浸湿91% similarUnverified防水面料看涂层而非纹理，涤纶+PU/PVC涂层可挡溅水，但只有热压无缝（TPU焊接）工艺才真正防浸泡；普通车缝线孔仍会渗水91% similarUnverified真正防水需选PU涂层或TPU材质并带防水拉链，普通尼龙+普通拉链仅能防泼溅；接缝处热压工艺比车缝线更防渗水89% similarUnverified真正防水（可入水/防泼溅）需选热压焊接密封边+防水拉链（TPU涂层拉链），普通车缝线+尼龙拉链的透明包只防灰不防水，缝线针孔会渗水89% similar
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