艰难之旅
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碎碎便便
food~如果你认可我的回答，请及时点击【采纳为满意回答】按钮~~手机提问的朋友在客户端右上角评价点【满意】即可。~你的采纳是我前进的动力~~O(∩_∩)O，互相帮助，祝共同进步！
queenielove多儿
哈哈我是学酒管的学过这个1.pestsresisting2.preventionfromchemicalcontamination这里应该也有提到physicalcontamination吧3.preventionofbacterialcontaination4.preventionfromcross-contaminationbetweencookedandrawfoods.5.decreasingspeedofbacterialgrowthandmultiplicationbymaintainproperfoodstoragetemperatureandtime6.sticktotherolesof"firstin,firstout"
