说起“堤坝”一词,我们都知道它是用土、石等材料修筑而成的挡水的高岸.但你是否知道,江河大堤和水库大坝在结构上是有区别的,它们的作用也不尽相同,这其中就包含了丰富的物理知识. 一般江河大堤和水库大坝的横截面如图 Speaking of the word “dam”, we all know that it is a high bank of water retaining materials such as earth and stone. But do you know that the river embankments and reservoir dams are structurally different and their role is also Not exactly the same, this contains a wealth of physical knowledge. The general cross section of the river embankment and reservoir dam