... 河道养鱼 fish culture in stream; 河道淤积 river channel sedimentation; 河道整治 channel improvement; ...
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河道淤积物 channel-fill deposit
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河道淤积大幅减少：每年进入黄河的泥沙量减少了1亿多吨。
Sedimentation of waterways was dramatically reduced: The flow of sediment from the Plateau into the Yellow River has been reduced by more than 100 million tons each year.
河道淤积会加重防洪困难，其泥沙还可能集中排入黄河；
River channel sedimentation may aggravate flood control difficulties, and the sediment may centrally eject into the Yellow River.
减少黄河下游河道淤积是小浪底水库的主要开发任务之一。
To reduce deposition in the Lower Yellow River is one of main development tasks in Xiaolangdi Reservoir.
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