11.食品的腐败主要是由细菌和真菌引起的防止食品腐败所依据的主要原理是把食物内的菌类杀死或�制它们的生长和繁殖.——青夏教育精英家教�—— Template




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tomski11.食品的腐败主要是由细菌和真菌引起的防止食品腐败所依据的主要原理是把食物内的菌类杀死或�制它们的生长和繁殖.——青夏教育精英家教�—— coloring