最終更新日：2025/11/29
The museum displayed a restored fiber gun used to separate wood and straw into bundles of fiber by a sudden release of high-pressure steam.
正解を見る
The museum displayed a restored fiber gun used to separate wood and straw into bundles of fiber by a sudden release of high-pressure steam.
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）
