| 摘要 |
The laundry dryer filters minute dust not filtered in a main filter and blown along a duct with heated air by installing an auxiliary filter on the duct, and easily cleans the dust accumulated in the auxiliary filter. The laundry dryer comprises: a bracket(19) separably installed on the duct(9) guiding the air flow; the auxiliary filter(20) fixed at the bracket(19), to filter the minute dust; a sensor sensing the quantity of the accumulated dust and sending the signals for a microprocessor(24); a displayer displaying the sensed signals.
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