ring flange

例句：

1. 1. The ring flangeis used to attach the bolt to theshaft.
   环形凸缘用于将螺栓连接到轴上。
2. 2. The ring flange wasdesigned to prevent leaks during assembly.
   环形凸缘设计用来在装配过程中防止泄漏。
3. 3. The ring flange is acrucial component in the manufacturing process.
   环形凸缘是制造过程中的一个关键部件。