Structural movement of earth crust from north to south cause the riverway move from north to south.

自北向南的构造掀斜运动造成了河道自北向南移的特点。

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Structural movement of earth crust from north to south cause the riverway move from north to south.

自北向南的构造掀斜运动造成了河道自北向南移的特点。

youdao