[KongchangAI]
Unverified87% confidenceDecision RuleTime unknown

使用前需先清洗衣物(Nikwax官方建议配合Tech Wash),在旧污垢未去除的面料上直接喷涂效果会明显打折,这是用户反馈复涂效果不佳的首要原因。

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87%
Confidence
Long-term
Relevance
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