[KongchangAI]
Unverified80% confidenceFactTime unknown

镀金(gold plated)耳环镀层厚度决定寿命:普通电镀<0.5微米易掉色发黑,选择厚镀金(3微米以上)或PVD真空镀能耐受多次宴会佩戴而不氧化

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80%
Confidence
Long-term
Relevance
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