冲积扇
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![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Gigantic_Alluvial_Fan_Being_Uplift_by_New_Fault.jpg/220px-Gigantic_Alluvial_Fan_Being_Uplift_by_New_Fault.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Mini_Alluvial_Fan_Imprinted_with_Footprints.jpg/220px-Mini_Alluvial_Fan_Imprinted_with_Footprints.jpg)
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