Unverified85% confidenceDecision RuleTime unknown
刀刃材质优先选日本进口高碳不锈钢或陶瓷刀刃，陶瓷刃锋利度保持时间是普通不锈钢的3-4倍且不会氧化变色，但脆性大、掉落易崩口
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85%
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Long-term
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Unverified刀刃材质优先选日本进口高碳不锈钢（如SUS420J2）或钼钒钢，锋利度保持性远高于普通430不锈钢；陶瓷刀刃初始最锋利但脆，掉地易崩口88% similarUnverified刀刃材质优先选日本进口不锈钢或高碳钢，锋利度保持时间明显长于普通430不锈钢；碳钢更锋利但易生锈需擦干保存，不锈钢免维护但需定期更换刀头88% similarUnverified刀片材质选430不锈钢仅防锈及格，选304不锈钢或日本进口420J2高碳不锈钢锋利度和耐腐蚀性更佳，蚀刻工艺（photo-etching）刀刃比冲压刀刃锋利度高且持久，蚀刻刀片可保持3-5年不用换81% similarUnverified刀盘选304不锈钢优于普通不锈钢，硬度高不易卷刃；日式高碳钢刀盘更锋利但需注意防锈，用完必须及时擦干76% similarUnverified碳钢/铁艺材质承重高但需看焊点与喷塑工艺，无缝焊接+静电喷涂防锈优于套管拼插结构；纯塑料/PP款轻便但挂重物易开裂弯曲75% similar
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