center punch
center punch是什么意思、center punch怎么读
【电】 冲心机
center punch汉语翻译
【电】 冲心机
center punch英语解释
名词 center punch:
- a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
动词 center punch:
- make a small hole in something as a guide for a drill