近年,我国农用水泵的社会保有量大幅度增长,尤其是以潜水泵、自吸泵等为代表的小型农用水泵,由于价格低、易操作等优点深受广大用户青睐。但是,由于小型水泵的生产厂家众多,技术力量良莠不齐,致使产品质量优劣悬殊。再加上操作、使用不当等因素,使为数不少的用户产生了新的烦恼,甚至经济上遭受损失。据统计,目前我国农用水泵每年生产数量的一半用来更换报废产品。因此,如何选择到一台经久耐用、称心如意的水泵和怎样延长水泵的寿命就成为广大 In recent years, the social ownership of agricultural pumps in our country has increased greatly, especially small agricultural pumps represented by submersible pumps and self-priming pumps are favored by the majority of users because of their low prices and easy operation. However, due to the large number of small pump manufacturers, technical strength varies greatly, resulting in poor product quality advantages and disadvantages. Coupled with the operation, improper use and other factors, so that a large number of users have a new problem, or even suffered economic losses. According to statistics, at present, half of the annual production of agricultural pumps in China is used to replace scrapped products. Therefore, how to choose a durable, pleasing water pump and how to extend the life of the pump has become the vast