最終更新日：2024/08/02
(iron and steel manufacture) A train of rolls in a rolling mill, for making rails for railroads from blooms or billets.
正解を見る
rail train
編集履歴（0）
(iron and steel manufacture) A train of rolls in a rolling mill, for making rails for railroads from blooms or billets.
rail train
DiQt（ディクト）
無料
★★★★★★★★★★
