| 摘要 |
Disclosed is a cooking utensil capable of cooking food without burning, which is characterized by the fact that the inner side of the bottom plate thereof contains a circular concave at the center thereof, radial rows of concaves disposed outside the circumference of said central circular concave and as many radial rows interposed one each between the adjacent ones of said first radial rows and each consisting of a circular concave and two convexes disposed opposite each other across said circular concave and the bottom side of said bottom plate contains convexes and concaves respectively at positions exactly corresponding to those of concaves and convexes on the inner side.
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