1) Heishazhou waterway 黑沙洲水道 2) Channel-sand system 水道-沙洲系统 3) swash[英][swɔʃ] [美][swɑʃ] 沙洲中狭水道或小湾 4) bank draft 沙洲吃水 5) submarine shoal 水下沙洲 1. Therefore in the sub-critical flow area, the sediment particle is quite easy to settle to gradually...