混流泵8、水泵在冬季使用时,停车后应将水泵内和管道内的存水放尽以防冻裂。If use the pumpin winter, pls run off the water from the pump and pipes.? ? 9、水泵每使用一个灌溉季节后,混流泵,应更换润滑黄油后存放。Replace thelubricating oil after using the pump for on