[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

牙刷毛端磨圆率越高越护龈,选购时认准包装标注磨圆率≥60%(国标要求),高端产品可达80%以上,磨圆率低的刷毛会像锯齿一样磨损牙釉质和牙龈

1
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90%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/396745
MCP
get_claim(id=396745)