flood invt.涌进(流进)
floodv.淹没;充满n.洪水
flood control insurance洪水保险
flood limit water level汛限水位
floodwater in the field内渍
flood water limit level汛限水位
flood land without soil无土层河滩地
Flood causes a calamity洚水为灾
flood discharge opening行洪口门
flood control mechanism防洪机制
flood/drought events水旱灾害
flood control structure防洪建筑物