- 问题详情:Whatcausesaflood?FloodsareoneofthemostcommondisastersintheUnitedStates.Floodeffectscanbelocal,impactinganeighborhoodorcommunity,orverylarge,affectingseveralstates. 36 Somefloodsdevelopslowly,sometimesoveraperiodofdays.Butflashfloodscandeve...
- 25211