The oven with too small volume, the longer the opening time, the higher the internal temperature, and it is difficult to control the temperature constantly; and the internal height of the small oven is low, and the food is close to the heating tube, and the skin is scorched and the inside is not cooked.The specific capacity selection can be determined according to the kitchen situationIf the kitchen area is large and it happens to have a renovation plan, you can consider buying a built-in oven o