Rockwell apparatus
常見例句
- As for the problem of surface Rockwell hardness measurement of deep hole in measurement field, this article develops a kind of portable micro-control surface Rockwell apparatus.
針對(duì)測量領(lǐng)域深孔表麪洛氏硬度測量存在的問題，研制了一種便攜式微控表麪洛氏硬度計(jì)。 返回 Rockwell apparatus