stationary seal ring

例句：

1. 1. Thestationary seal ring is used to preventleaks in the oil pipeline.
   固定式密封环用于防止油管泄漏。
2. 2. Theengineer carefully installed the stationary seal ringon the valve.
   工程师仔细地将固定式密封环安装在阀门上。
3. 3. The stationary seal ring was designed to withstandhigh pressure and temperature.
   固定式密封环设计用来承受高压和高温。