The Jinsha River is a main sediment source of the upper Yangtze River.

金沙江是长江上游河流泥沙的主要来源。

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Braid river is important sediment type in nature.

辫状河是自然界重要的河流类型之一。

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Therefore, dredging of sediment will improve greatly water quality of the river.

因此，对淤泥进行清淤将会大大提高河道的水质。

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Therefore, dredging of sediment will improve greatly water quality of the river.

因此，对淤泥进行清淤将会大大提高河道的水质。

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