1) deposition reduction
挖河减淤
1.
Theoretical analysis and experimental data show that to increase the retrogressive erosion of the upstream river section and decrease the back deposition of the dredged channel are important to elevate the effect of deposition reduction in dredging.
理论分析及试验研究表明 ,要提高黄河下游萎缩性河道挖河减淤效果 ,就要增大挖河段以上河段的溯源冲刷量 ,同时减少挖河段的泥沙回淤量 。
2) river dredging for deposit reduction
挖沙减淤
3) channel sediment reduction
河道减淤
4) ratio of reducing deposition
挖沙减淤比
5) sludge from a riverbed
河淤
补充资料：减水河
1.人工开凿用来控制水势的河道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条