isolated valve

例句：

1. 1. The isolated valve isresponsible for the flow of gases throughthe pipeline.
   孤立阀门负责通过管道的气体流动。
2. 2. The isolation valve is used to preventthe flow of gases in a closedsystem.
   隔离阀用于防止封闭系统内气体的流动。
3. 3. The isolation valve is essential formaintaining the integrity of the pipeline system.
   隔离阀对于保持管道系统的完整性至关重要。