“scour pit”簡單造句，scour pit造句子

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.

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.