Designed for sediment dredging and silt removal in rivers, lakes, ports, and other water bodies. It is used to connect with rigid pipelines and is an essential piece of equipment in current hydraulic engineering projects. 

用于河道、湖泊、港口等水域中的沉淀物疏浚、淤泥清理等工作。用于和刚性管道连接，是当前水利工程中必不可少的一种工程设备。