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Report -
河川工学 第14 - 愛媛大学hydro/lecture/rivereng/river_eng...ring levee, polder levee):特定の地域を洪水から守るためその周囲 を取り囲んでくつられた堤防.木曽川下流域(岐阜県側)の輪中堤が有名.
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