[KongchangAI]
Unverified85% confidenceFactTime unknown

镀金(gold-plated)与包金(gold-filled)差异大:镀金层仅0.5微米以内,接触汗水化妆品数月即掉色露底;包金层含金量≥1/20且耐磨,预算够选包金或纯K金更耐用

1
Sources
85%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/87378
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curl https://kongchang.com/api/v1/knowledge/claims/87378
MCP
get_claim(id=87378)