The red box in the upper left corner is. According to relevant public information, the air explosion diagram of Chang Di brand oven is set as the red box in the upper left corner. Air fryer is a machine that can fry with air, which mainly replaces the hot oil in the original frying pan with air to make the food mature. At the same time, the hot air also blew away the moisture on the surface of the food, which made the ingredients achieve the effect of approximate frying.