float ball valve

• 浮动球阀

float ball valve的用法和样例：

例句

1. The metal hard seal fluctuation ball valve product scope sees the table.
   金属硬密封浮动球阀的产品范围见下表。
2. The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
   浮动球球阀的球体自由支承在阀座上，靠介质的压力形成单面密封，故不能保证密封。