aggraded valley floor的意思|示意

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堆积谷底，加积谷底

加积谷底 ... agglutinate cone 粘合集块岩锥 aggraded valley floor 加积谷底 aggregate structure 团聚体构造 ...

堆积谷底 ... 填积堆积 aggradational deposit 堆积谷底 aggraded valley floor 加积河，堆积河 aggrading stream ...