Rockwell apparatus
常見(jiàn)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(cè)量領(lǐng)域深孔表麪洛氏硬度測(cè)量存在的問(wèn)題，研制了一種便攜式微控表麪洛氏硬度計(jì)。 返回 Rockwell apparatus