单词：alluvial cone
alluvial cone的用法和样例：
例句
- These channels are most common near the apex of the alluvial fan body.这些河道最常见于近冲积扇体的顶端。
- The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan.古人类活动遗址所处地貌部位为古永定河冲积扇的河间冲积平原。
- alluvial fan冲积扇
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