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This is a design for the refrigerator air purifier.All the food smells mixed together,become a kind of uncomfortable odor.This product can purify the gas in the refrigerator,If you detect the smell of corruption,It will sound an alarm to remind food spoilage.If too much bacteria detected,It will remind people the refrigerator is dirty,need to clean the refrigerator.
Dalian Minzu University
Dalian Nationalities University