Unverified85% confidenceDecision RuleTime unknown
刀刃可拆卸更换性是长期成本关键：选螺栓式（可拆解）结构而非铆钉一体式，前者可拆下单独磨刃、更换刀片和调节松紧；铆钉式一旦刀刃损坏或松动无法修复只能整把报废
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85%
Confidence
Long-term
Relevance
-
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