Unverified90% confidenceDecision RuleTime unknown
全粒面牛皮（Full-grain）保留完整表皮纹理，耐磨且越用越出油光，比修面皮（Corrected grain/贴膜皮）耐用度高2-3倍，认准断面无明显PU涂层且能看到毛孔纹理不规则
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