ないすいはんらん
内水氾濫
flooding within the confines of a levee (i.e. caused by surface runoff, drainage failure, etc.)
N3Noun
Noun
flooding within the confines of a levee (i.e. caused by surface runoff, drainage failure, etc.)
flooding within the confines of a levee (i.e. caused by surface runoff, drainage failure, etc.)