Ameliorative measures are proposed to solve problems about low repairing reliability and short lifespan of farming submersible pumps, mainly QY series.

• 对以QY系列为主体的农用潜水电泵修复可靠性低、寿命短的问题,提出了改进措施,从而有效提高潜水电泵修复可靠性,并延长使用寿命。