Press the "Start" button, the pump running, then open the suction valve of the pump.
按下水泵“开”按钮，泵即运转；然后打开泵的吸入阀。
Clean suction pipeline and foot valve.
清理吸水管路及底阀。
It can work under pressure or suction when the Valve be closed.
当阀门关闭时可承受一定的正压或负压。
Liquid through the bottom valve 6and the suction tube into the pump.
液体经底阀6和吸入管进入泵内。
Liquid through the bottom valve 6and the suction tube into the pump.
液体经底阀6和吸入管进入泵内。
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