农村浇地时,有的机手往离心泵里填完土后再灌水起动,此法虽然能解决因水泵吸水管、底阀漏气而难于起动的问题,但害处极大,严重加剧水泵叶轮和轴承等的磨损。实在不可取。还有的机手在填土灌水将水泵起动出水后,在水泵运行中就是只 When irrigating in rural areas, some machines fill the soil into the centrifugal pump and then start the irrigation. Although this method can solve the problem that the pump suction pipe and the bottom valve leak and is difficult to start, the damage is very serious and the pump impeller is greatly aggravated And bearing wear and tear. Really undesirable. There are still some of the hands in the fill water will start pumping water after the pump is running only