[KongchangAI]
Unverified87% confidenceSolutionTime unknown

遇到陈旧或未知混合污渍的标准处理路径:先在隐蔽处做色牢度测试→喷后静置3-5分钟(顽固可延长但勿超说明上限)→轻拍或刷理而非猜洗→温水冲净→未净时重复而非加热烘干;一旦高温烘干污渍将永久固着

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87%
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