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りゅういきちすい
Meanings
Noun
1. river basin management; river basin flood control; river flood risk reduction
Alt. forms
流
りゅう
域
いき
治
ち
水
すい
りゅういきちすい
Composed of
りゅういき
drainage basin; catchment basin; river basin; watershed; valley
ちすい
river management; river improvement; flood control