摘要 |
<p>Cattle carrier-watering trough (1) has a liquid reservoir connected to drinking bowl (10) with liquid line (20). Electric driven pump (40) is connected to a liquid guide with a reservoir (30), liquid line and drinking reservoir. Electric pushbutton is mechanically connected with operating device, which is arranged in a circuit over which pump is controllable with electric energy source (70) to transport liquid.</p> |