普通家用电冰箱在临时停电后,冰箱内存放的食物容易变质,从而给生活带来不便.本产品根据此情况而设计.属国内首创。本产品的结构简单. After a temporary power outage in an ordinary household refrigerator, the food stored in the refrigerator is apt to degenerate, thus inconveniencing life. This product is designed based on this situation. It is a domestic initiative. The structure of this product is simple.