residual-dyke of cofferdam

• 围堰残埂

residual-dyke of cofferdam的用法和样例：

例句

1. The tops of ridges should be made even.
   打埂得找齐。
2. Low banks of earth in the field turn it into many square sections.
   田里的地埂把这片农田分成了很多正方形小块。