Has a high hardness and wear resistan…
Slender shaft processing, installatio…
① its working principle is similar to…
Gear as an important transmission equ…
General tools such as turning tools, …
An alloy material made of a refractor…
Modern and efficient tool is to achie…
Processing of a variety of external s…
(1) continuous processing, without re…
hardness Abrasives hardness refers to…