“scour pit”可以造什么句，scour pit造句

The main form of ditch exit destroy is scour pit and collapsible pit by the knowledge of engineering mechanics and fluid mechanics, and the reasons is the collapsibility and wash-out of loess.

Based on the geological result of the scour pit of the Danjiangkou Project, it is expounded that rock mass characteristics are the internal factor in the formation of scour pit.