valve-chamber cover

例句：

1. 1.The valve chamber cover is designed to protectthe valve from damage during operation.
   阀门室盖设计用来在操作过程中保护阀门免受损坏。
2. 2. The valve chamber cover was made ofstainless steel and had a tight fit.
   阀门室盖由不锈钢制成，安装得非常紧密。
3. 3. The valvechamber cover was removed to inspectthe valve for any signs of wearor damage.
   为了检查阀门是否有磨损或损坏的迹象，需要拆卸阀门室盖。