Use skills of pressure cooker
1, oil
The sealing ring of the unused new pot has great elasticity. Please add a small amount of cooking oil to the upper and lower parts of the pot body as shown by the arrow in the figure to facilitate the initial opening and closing. Before each use, the cover, the main body and the handle should be cleaned to facilitate the closure of the cover.
2, put food
When putting food, food and water should not exceed four-fifths of the pot capacity, and water and soup should not be less than 400 ml (about two bowls).