The water pumping station maintains a constant water pressure on the pipeline to cool the hot rolled steel racks. Pump motor starts star - delta, always running at full capacity.
Dieu khien duy tri ap suat nuoc trong he thong cung cap nuoc sinh hoat. Lam the nao de co mot he thong bom biet duoc diau nay va tu dong dieu chinh cong suat bom cho phu hop voi luong tieu thu, giu ap suat khong doi cho he thong?