应用领域：Application area
输送清水或物理、化学性质类似于水的其它液体，被输送液体温度不宜高于50℃。广泛适用于农田排灌，工业和城市给排水等多种场合。
窗体顶端
To transport clean water or other liquids with physical and chemical properties similar to water, the temperature of the liquid to be transported should not be higher than 50°C. Widely used in farmlａnd irrigation and drainage, industrial and urban water supply and drainage and other occasions
