金沙江是长江上游河流泥沙的主要来源。

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

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金沙江是长江上游河流泥沙的主要来源。

Water Quality of Lower Reaches of Jinsha River;

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许多河流带着泥沙流向赤道。

Many rivers carry silt toward the equator.

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大部分泥沙都是由河流沉积下来的。

Most of the sand and silt was carried down from the river.

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大部分泥沙都是由河流沉积下来的。

Most of the sand and silt was carried down from the river.

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