knurling 的定义
更多knurling例句
- Another machine puts the knurling around—forming the lubricating grooves, and another groove.
 - It is actually a knurling process, you can see the knurling marks.
 - Concave knurls are sometimes used for knurling rounded edges on screw heads, etc.
 - The two knurls are on opposite sides of the work so that the pressure of knurling is equalized.