The sludge soil dredged area in the back is effective to prevent dangerous situation of the Yellow River dikes.
黄河淤背区是堤防工程的组成部分，同时又是可以开发利用的工程工地资源。
The effect of dredging channel for deposition reduction is related to dredged channel geometry morphology and dredged channel area.
挖河减淤效果与挖槽几何形态及挖槽面积有关。
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