distributary river造句

• The activity area of sediment and solution in gooey is distributary river , which has gigantic water power , good degree of sorting and roundness , gruff grain . lower mud and mica content
  分流河道的主体部位水动力较强，分选性和磨圆度较好，粒度粗，云母矿物和泥质含量较低，是胶结物沉淀和溶解的活跃区，因而也是物性相对较好的地方。