[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

厨房刀片/替换刀头优先选440C或以上马氏体不锈钢(含碳量≥0.95%),硬度可达HRC56-58,保持锋利耐用;廉价刀片多用420不锈钢(HRC50左右),易卷刃需频繁更换

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