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堵口(gap closures)河堤、圩堤及海堤,受洪水及台风、海潮袭击,发生决口,对决口处的口门进行堵塞修复,称堵口。决口往往会泛滥成灾,给国民经济造成巨大
The gap embankments, levees and seawalls were hit by floods and typhoons and tidal waves. The ports of convergence were blocked and repaired and the ports were blocked. Burst tends to flood, causing huge national economy