Don't have Telegram yet? Try it now!
https://ns-j.co.jp/2020/01/10/%e6%93%81%e5%a3%81%e8%a8%ad%e8%a8%88%e3%81%ae%e7%82%ba%e3%81%ae%e5%9c%b0%e7%9b%a4%e8%aa%bf%e6%9f%bb
擁壁設計の為の地盤調査