flood invt.涌进(流进)floodv.淹没；充满n.洪水flood regulation model洪水调度模式flood discharge tunnel泄洪洞flood-control system防洪体系flood diversion sluice分洪闸flood control standard防洪标准flood plain regulation河漫滩整理,洪泛平原整治flood control measures防洪措施flood-borne sediment洪水携带的沉积物flood submerging range淹没范围Flood-plain alluvium河漫滩冲积层