方法以调查表的形式对金安区经销奶粉的超市、门市部进行调查，并随机抽取奶粉样品，进行脂肪、蛋白质指标检测和分析。
Method Standard questionnaire was used to investigate supermarkets and groceries selling milk powder in Jinan District and randomly select samples to test fat and protein contents .
金安区