| 摘要 |
<p>A washing machine includes a rear panel (210) mounted on a wall (10); a tub (220) supported by the rear panel (210) and configured to contain wash water; a front panel (230) having an opening (232) therein, on or in front of the tub (220); a rotatable drum (240) in the tub; a driving unit (250) providing power to the drum (240); a cover (260) on the rear panel (210) so as to cover the tub (220) and the front panel (230). The washing machine further comprises a drain device (300) having a drain filter. Further, an embodiment of the washing machine comprises a check valve device (2200). Another embodiment of the washing machine comprises a connection pipe unit (3210) with a bellows movement portion (3240). Moreover, a water supply hose connection device (1500) with a diverging connection unit (1530) enabling a supply flow to be directed towards a main and a sub washing machine has been disclosed.
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