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 floatvalve up 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
Feed valve is float-operated and simply constructed. Can be easily cleaned if fouled by dirt in the water supply.
进水阀是靠浮子工作的，结构简单。如果被供水污垢淤塞，则能够很容易的进行清洗。
3
High-pressure floatvalve structure and general structure similar to the floatvalve.