土石过水围堰
earth rock overtopped cofferdam
Overflow Earth-rock Cofferdam
过水堆石围堰
overflow rock fill cofferdam
过水土石围堰
Overflow Earth-rock Cofferdam
下游低水围堰
downstream low water cofferdam
层状云降水过程
stratiform precipitation process
大面积降水过程
large scale rainfall process
地面降水过程
surface rainfall processes
surface rainfall process