Unverified90% confidenceDecision RuleTime unknown
猪肉挑选时看肌肉切面:新鲜猪肉切面湿润有光泽、按压后凹陷立即回弹(1-2秒内);若切面渗出黏液、按压后凹陷不回弹或回弹缓慢(>3秒),说明已开始变质或反复解冻
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