| 摘要 |
a stirring wing provided in a washing tub; a motor for rotating the stirring wing; a means for controlling the motor; a quantity sensor for sensing the quantity of washing by using a reverse electromotive force generated by the motor in an off-state; a pressure sensor for sensing the rotatory pressure of the water and the laundnies washing in the tub; and a quality determining means for computing at least twice a difference between the maximum and the minimum of the detected pressure to determine the quality of the washing.
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