[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

防晒原理分两种:涂层型(后整理助剂)洗涤20-30次后防晒力显著衰减;原纱型(二氧化钛熔入纤维)防晒持久但价格更高,长期使用或高频洗涤选原纱型

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85%
Confidence
Long-term
Relevance
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