The existence of the silt area in the back of the Yellow River dikes is of great significance to preventing flood and keeping security of Yellow River.
黄河淤背区的存在，对确保黄河防洪安全有着重要意义，但淤区的水土流失现状堪忧。
Beizhan flood detention area is a very important project for flood disaster reduction in the Lower Yellow River.
北展分滞洪区是黄河下游的重要防洪工程。
The former measures of safety construction in beach area of Yellow River were usually outward movement, staying away from flood and temporary withdrawal.
滩区安全建设通常采取村庄背河外迁、就地避洪、临时撤退三种措施。
Due to development and utilization of shallow underground water in southern flood alluvial area in the Yellow River Delta area, regional group of funnels have been formed in this area.
黄河三角洲南部冲洪积扇区浅层地下水由于长期大量开发利用，早已形成了区域性漏斗群。
Due to development and utilization of shallow underground water in southern flood alluvial area in the Yellow River Delta area, regional group of funnels have been formed in this area.
黄河三角洲南部冲洪积扇区浅层地下水由于长期大量开发利用，早已形成了区域性漏斗群。
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