PURPOSE: For the dish-washer comprise circulation pump which circulate the washing and drain pump which pumping out the washing at lower part, the lower part which limited space be complexed and increase the manufacturing cost. CONSTITUTION: Disclosed is circulate the washing to inner space of washing tank(41); have a pipe-line for draining the washing of inner space; connect washing tank(41) and circulation pipe-line(61) which lead washing from washing tank at inflow hole; connect a first drain hole and spray pipe-line(53) which lead washing to inner space of washing tank; connect drain pipe-line(67) and one body pump at which connect a second drain hole. For inflow washing from circulation pipe-line spray into the inner space of washing tank when one body pump rotate to clockwise, drain out the washing when one body pump rotate to counterclockwise, dish-washer decrease a space restriction by simplized construction.
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