最終更新日：2025/12/03
The engineers restored the abandoned atmospheric railway, whose motive power had come from a partial vacuum acting on a piston running in a sealed tube.
正解を見る
The engineers restored the abandoned atmospheric railway, whose motive power had come from a partial vacuum acting on a piston running in a sealed tube.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
