[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

刀刃材质选碳钢(如日本关钢、420不锈钢以上)比普通不锈钢保持锋利时间更长,碳钢硬度可达HRC55-58,切口平整不撕裂指甲

1
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85%
Confidence
Long-term
Relevance
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