[KongchangAI]
Unverified78% confidenceDecision RuleTime unknown

评估钥匙扣耐用度关键看连接件:五金链条和D型环的电镀层,普通电镀易在3-6个月氧化发黑,选真空电镀(PVD)或哑黑喷涂更耐磨;扣环建议选双开龙虾扣或闭合圈

1
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78%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/407597
API
curl https://kongchang.com/api/v1/knowledge/claims/407597
MCP
get_claim(id=407597)