| 摘要 |
A heating apparatus of a microwave oven includes: a heater installed at an upper portion of a cooking chamber into which foodstuff is received, a ventilating fan installed at one side of the heater, for circulating air inside the cooking chamber to pass the heater; a panel having a suction hole installed at an upper portion of the cooking chamber, through which the air inside the cooking chamber is sucked into the ventilating fan, and a discharge hole, through which the air which has passed the heater is again supplied to the cooking chamber, and an air guide unit mounted at an upper side of the panel, for guiding an air flow from the ventilating fan to the heater.
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