There into the sea on the continental shelf of alluvialriver delta formation.
在大陆架上有流入大海的江河冲积形成的三角洲。
2
Due to the effect of flood or flood and tidal currents, in some strong alluvialriver particular in estuary, the erosion in riverbed is severe.
在一些强冲积性河流特别是河口区，由于洪水或洪水和潮流共同作用，河床的冲淤变化十分剧烈。
3
There exists universally reflow in the entrance of excavated dock, which is similar to approach channel of low head hydro-junction located in alluvialriver.