熱海土石流、メガ盛り土が原因土木工学専攻の副知事が見解示す [295723299]

熱海土石流、メガ盛り土が原因土木工学専攻の副知事が見解示す [295723299]
https://hayabusa9.5ch.net/test/read.cgi/news/1626181453

last-modified: 2021-07-14 23:44:10