Prick punch
01
中心冲, 精密冲头
a precision hand tool with a sharp, pointed tip that is used to create small, accurate indentations or pilot marks on a workpiece
例子
The mechanic used a prick punch to mark the exact spot for drilling the hole.
机械师使用了一个中心冲来标记钻孔的精确位置。
Before drilling into the metal, he made a small dent with the prick punch to guide the drill bit.
在钻入金属之前,他用中心冲做了一个小凹痕来引导钻头。



























