pipe riser

例句：

1. 1. The pipe riser was installed to help the water flow more smoothly.
   安装管道上升器是为了帮助水流更加顺畅。
2. 2.The pipe riser is a critical component of the pipeline system.
   管道上升器是管道系统的关键组成部分。
3. 3. The pipe riser was designed to prevent water from leaking through the joints.
   管道上升器的设计是为了防止水从接头处泄漏。