If the tank is not filling all the way (there should be a fill line on the inside of the tank), carefully bend the bulb of the float valveup a bit and see if the tank will fill.
如果水箱没有充满正常水量(水箱内侧应该有一条水位线)，慢慢地弯曲一下浮囊阀，看水位会不会上升。
2
Danfoss valves are already used for fillingup with gas and before the turn of this year, a valve will be launched which mixes ethanol and petrol.
丹佛斯阀门已经用于添加汽油，赶明年之前，将用阀门混合乙醇和汽油。
3
As the valve rotating shaft is connected with the water flow baffle by the toggle, the opening of the valve is larger, the filling-up quantity of the flocculating agent is more.