turbine cover screw cap

例句：

1. 1.The turbine cover is a criticalcomponent of the turbine assembly.
   涡轮盖是涡轮组件的关键部件。
2. 2. The turbine cover was designed to protect theturbine from damage during operation.
   涡轮盖设计用来在运行过程中保护涡轮免受损坏。
3. 3. The turbine cover wasreplaced after it failed during testing.
   涡轮盖在测试中失败后被更换了。