最終更新日：2024/07/29
a screw or worm gear having four equal threads and thus capable of being started in four places
正解を見る
quadruple thread
編集履歴（0）
a screw or worm gear having four equal threads and thus capable of being started in four places
quadruple thread
DiQt（ディクト）
無料
★★★★★★★★★★
