The invention provides a water discharging device with convenient use, comprising a sluice valve, a water discharging pipe component with the upper end having a water outlet, a sewer pipe;
一种使用方便的放水器，其中包括水闸、上端带有放水口的放水管组件、 下水管；
2
The application practice has shown that both valves, especially the single cylinder one, are more suitable than sluice valve, ball valve or pipe clamp valve in regulating and controlling the…