| 摘要 |
A humidifying unit (4) is provided with a humidifying rotor (51) through which a humidifying path passes. In the humidifying path, a heating device is provided upstream of the humidifying rotor (51) and a radiation plate (57) is provided downstream of the humidifying rotor (51). The configuration allows the temperature of the humidifying rotor (51) to be increased by radiant heat of the radiation plate (57) without an increase in the output of the heating device, and this increases the amount of moisture released from the humidifying rotor (51).
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