counterbore
Synonym of lancer
plural of McCowan
plural of noon-time
A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. / The tool with which a counterbore is machined.
アカウントを持っていませんか? 新規登録
アカウントを持っていますか? ログイン
DiQt(ディクト)
無料
★★★★★★★★★★