fluvial sand

• 冲积沙

fluvial sand的用法和样例：

例句

1. Velocity distribution in sediment-laden flow, especially its Karman constant, is one of the most important issues in fluvial hydraulics.
   摘要挟沙水流的流速分布，特别是其中的卡门常数，一直是冲积河流水力学研究的热点问题之一。