tightening flange

例句：

1. 1. tightening ring,2. fastening flange,3. clamping flange例句：1. The engineerused a special tool to tighten the flange on the machine.
   工程师使用特殊的工具来紧固机器上的法兰。
2. 2. Theflange was designed to provide asecure connection between two pieces of machinery.
   这个法兰设计用来在两台机械之间提供稳固的连接。
3. 3. The flangeis essential for ensuring that the jointsare properly secured and sealed.
   法兰对于确保接缝得到适当的固定和密封至关重要。