sediment reduction efficiency
sediment reduction efficiency
减沙效率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The change of the slope section to vertical section and the reduction of wetted cross-section may not only decrease deposition but also improve sediment scouring efficiency.
改斜坡式断面为直立式断面，缩小下游引航道的过水面积，不仅能减少淤积量，而且有利于提高冲沙效率。
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