centerpunch

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A hand tool used to prepare a workpiece prior to drilling a hole. It typically compresses and then suddenly releases a spring, creating a small indentation that, in turn, guides and centers the drill.
  2. The indentation left by such a tool.
动词 v.
  1. To prepare a workpiece for drilling by using a centerpunch to create an indentation.
  2. To place something directly in the middle.

词形变化

centerpunches plural centerpunches present,singular,third-person centerpunching participle,present centerpunched participle,past centerpunched past

词源

词源 1
From center + punch.
词源 2
From center + punch.
2 次浏览 数据来源: Wiktionary