最終更新日：2024/07/29
The prestressed concrete beams provide extra strength to the bridge.
正解を見る
The prestressed concrete beams provide extra strength to the bridge.
編集履歴（0）
The prestressed concrete beams provide extra strength to the bridge.
The prestressed concrete beams provide extra strength to the bridge.
DiQt（ディクト）
無料
★★★★★★★★★★
