1 : [sage] :2020/10/06(火) 22:16:00.66 ID:IIclPTb10ダムあれば浸水域6割減 7月の球磨川氾濫―国試算(省略)全文https://www.jiji.com/jc/article?k=2020100601090&g=soc転載元スレッド:http://hayabusa3.2ch.sc/test/read.cgi/news/1601990160/続きを読む
1 : [sage] :2020/10/06(火) 22:16:00.66 ID:IIclPTb10ダムあれば浸水域6割減 7月の球磨川氾濫―国試算(省略)全文https://www.jiji.com/jc/article?k=2020100601090&g=soc転載元スレッド:http://hayabusa3.2ch.sc/test/read.cgi/news/1601990160/