flanged expansion joint

例句：

1. 1. Theengineer designed a flanged expansion joint to connect the two pipes together.
   工程师设计了一个法兰式膨胀节，将两根管道连接在一起。
2. 2. The flanged expansion joint was installed in the middle of the pipeline to prevent leaks.
   在管道中间安装了法兰式膨胀节，以防止泄漏。
3. 3.The flanged expansion joint is an essential component of the pipeline system, providing flexibility and reducing stress on the structure.
   法兰式膨胀节是管道系统的一个关键部件，它提供了灵活性，并减轻了结构上的压力。