[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

刀身钢材选择:追求锋利保持度选S30V/S35VN粉末钢(洛氏硬度58-60HRC);追求耐锈免维护选14C28N或AUS-8(含铬≥13%);预算有限的日用工具刀8Cr13MoV已足够,但需接受更频繁磨刀

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90%
Confidence
Long-term
Relevance
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