fluvial bed中文什么意思

河积层

• fluvial:    adj. 1.河的，河流的。 2.生 ...
• bed:    n. 1.床，床铺；床位，铺；(动物 ...
• fluvial abrasion:    河流冲蚀; 河流冲刷磨蚀; 河流磨蚀

例句与用法

1. The weser estuary in germany , with broad beaches , lots of sand bars and many tributaries , is characterized with a great quantity of sediment transport due to tidal current ' s movement in the fluvial bed of fine sediment
   摘要德国威悉河口滩地宽广，有无数的沙洲和许多大的分流，潮流在主要为细沙的冲积河床中运动，泥沙输移量极大。