The system consists of pump, ship, ship pool, water-conveyance pipeline, canal, power transmission line, dredging equipment and so on.
其组成部分主要有：泵船、船池、输水管道、输水渠、输电线路、挖泥机械等。
2
If the obstruction has been cleared, it is necessary to put the rope more forward dredging obstruction within a few feet to admit that the pipeline is now completely through.
假如堵塞物被疏通了，有必要把钢索向前多疏通几英尺来承认管道内的堵塞现已完全打通。
3
The results of the research show that three-dimensional wall jet can improve the velocity of water near the wall greatly, so it is possible to apply to the actual dredging work in the pipeline.