| 摘要 |
A microwave oven includes a casing defining a heating chamber, a track member disposed in the heating chamber and having an undulate surface circumferentially extended, an electric motor mounted in the casing, a plurality of rolling members each moved along the undulate surface of the track member by the motor, rolling about respective axes thereof in contact with the undulate surface of the track member, and a turntable on which food to be cooked is placed, the turntable having a traveling face and placed on the rolling members so that the traveling face thereof is in contact with the rolling members, whereby the turntable is rotated with a vertical movement.
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