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解决黄河下游河道泥沙淤积问题，“增水”是一条重要途径。
Water tranferred from Yangzhi River is an important way to solve the siltation of channel of lower Yellow River.
youdao
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解决黄河下游河道泥沙淤积问题，“增水”是一条重要途径。
Water tranferred from Yangzhi River is an important way to solve the siltation of channel of lower Yellow River.
youdao