| 摘要 |
A dish washing machine capable of controlling the amount of wash water used based on the quantity of dishes and preventing a drop of the injection pressure of the wash water. The dish washing machine includes a washing tub, main nozzles disposed in the washing tub to constantly inject wash water when washing dishes, a sub nozzle disposed in the washing tub to selectively inject wash water when washing dishes, a sump mounted in the wash tub, a main channel disposed in the sump, the main channel being connected with the main nozzles, a sub channel disposed in the sump while being separated from the main channel and connected to the sub nozzle, and a channel control valve disposed in the sub channel to intermit a flow of wash water flowing to the sub nozzle.
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