| 释义 |
ball cockn.（名词）- A self-regulating device controlling the supply of water in a tank, cistern, or toilet by means of a float connected to a valve that opens or closes with a change in water level.浮球旋塞，浮球阀：一种自动调节装置，通过与随水位的改变而打开或关闭的阀门相连接的浮球来控制水槽、蓄水池或抽水马桶内的蓄水流
|