Unverified85% confidenceSolutionTime unknown
恢复旧冲锋衣防水的标准路径:先用专用清洗剂洗掉污渍油脂(污垢会破坏DWR)→ 湿态或干态喷涂/浸泡防水剂 → 中低温热激活 → 泼水测试,跳过清洗步骤会导致防水剂附着不牢
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