ball-cock device

• 浮球旋塞装置

ball-cock device的用法和样例：

例句

1. The fusible plug device is a nonreclosing pressure relief device designed to function by the yielding or melting of a plug of fusible metal.
   易熔塞装置是一个非重闭减压装置，通过易熔金属制成的塞子的变形或熔化发挥作用。