888 followers ᓚᘏᗢ 🌗 @IamnotHayato J-STAGE Articles - 鐵道省鋼製客車の設計に就て https://t.co/FtsIFyLG1I J-STAGE Articles - 鋼製客車の設計計算に就て https://t.co/yEMuZoK3Il 31 Jul 2021 Reply Repost Favourite