| 摘要 |
A microwave oven comprising an enclosure (1) in which a receptacle (2) is disposed, at least one source (3) of microwaves disposed above the receptacle, and a wave spreader (5) mounted to rotate between the microwave source and the inside of the receptacle. The wave spreader comprises at least one tubular waveguide (12, 13) disposed substantially vertically, extending inside the receptacle, and including at least one wave-receiving opening in the vicinity of its top portion and at least one wave-diffusing opening (16, 17) opening out to the inside of the receptacle. The oven also includes means (25) for preventing the receptacle from rotating about a vertical axis.
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