最終更新日：2025/11/29
When the machinist needed a different thread pitch, he replaced the change wheel on the lathe to adjust the lead screw ratio.
正解を見る
When the machinist needed a different thread pitch, he replaced the change wheel on the lathe to adjust the lead screw ratio.
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）
