Unverified85% confidenceDecision RuleTime unknown
刀刃材质优先选4Cr13以上不锈钢或碳钢,硬度需达HRC50+才能保持锋利不卷刃;纯不锈钢电镀款用几次就钝,剪指甲会产生挤压感导致宠物疼痛抗拒
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