| 摘要 |
A water-supply system at farms contains a water-pipe and a system of individual drinkers regulating water supply to cups thereof. Between the water-pipe and the system a regulating container with a float valve is arranged. The drinkers are shaped as cylindrical ones of a volume of 3-5 l, connected between each other by a piping of 50 mm in diameter, in which the water level is set according to the law of communicating vessels.
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