最終更新日：2022/12/07
正解を見る
(rail transport) a device installed in order to reduce wear to both wheel flanges and the rails in the railway track.
編集履歴（0）
(rail transport) a device installed in order to reduce wear to both wheel flanges and the rails in the railway track.
DiQt（ディクト）
無料
★★★★★★★★★★
