flange connection

例句：

1. 1. The flange connection is designed to provide a secure fit for the bolt.
   这个凸缘连接设计用来为螺栓提供牢固的安装。
2. 2.In the construction industry, flange connections are often used in place of welded joints.
   在建筑行业中，凸缘连接通常用于替代焊接接头。
3. 3.The engineer made sure that all flange connections were properly tightened before starting the project.
   工程师确保所有凸缘连接都正确紧固后才开始项目。