打开向泵内注水阀门，并等待三分钟，确保工作液流入泵内；

Opens pours water the valve to the pump, and waits for three minutes, guarantees in the driving fluid inflow pump;

youdao

打开向泵内注水阀门，并等待三分钟，确保工作液流入泵内；

Opens pours water the valve to the pump, and waits for three minutes, guarantees in the driving fluid inflow pump;

youdao