[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

合金镀层胸针看电镀层次:镀真金(3微米以上)比普通电镀耐氧化,出汗多或需长期佩戴应避开普通铜合金电镀款,铜氧化会发黑并可能致敏

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80%
Confidence
Long-term
Relevance
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get_claim(id=82572)