| 摘要 |
The car-wash is used for washing motor-cars. It is possible for it to be built in urban conditions and to use a small-discharge water source. It consists of a platform (1) on which the car-washing device (4) is built. The platform (1) is above a bed (2) of a safety protection town sewer with a narrow chute (3) in the middle. Next to the narrow chute (3) there is a primary tank (10), and a shaft (13) next to the bed (2). An intake (14) and a pressure (15) pumping units are housed in the shaft. Both pumping units (14 & 15) are electrically connected to level gauges (28 & 29) fitted in two large tanks (9) and with a level gauge (20) in the primary tank (10). The pressure pumping unit (15) and the washing device are connected by means of a pressure pipe (26).
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