查日期:速冻调制食品要选新看食品包装袋上的生产日期,挑选最新出厂的速冻调制食品。要保证速冻调制食品的质量,贮藏、运输和销售必须在零下18℃以下的环境中进行,而在超市或卖场,顾客在挑选时将速冻商品不断拿出、放入,会影响产品品质。看冰霜:冰霜多的不要买不要购买食品包装袋内有较多冰霜的速冻调制食品。速冻调制食品是通过 Check date: Frozen food to be selected to look at the food packaging bags on the production date, select the latest factory frozen food preparation. To ensure the quality of frozen food preparation, storage, transportation and sales must be below minus 18 ℃ in the environment, and in the supermarket or store, customers in the selection of frozen products will continue to come out, into, will affect product quality. Look frost: frost and more do not buy do not buy food packaging bags have more frost frozen food. Frozen prepared food is passed