rockwell hardness

• 洛氏硬度,罗氏硬度

rockwell hardness的用法和样例：

例句

1. Tests, such as Vickers, Briell and Rockwell, are generally employed to measure hardness.
   维氏硬度，布氏硬度和洛氏硬度测试等测试方法通常被用来测量硬度。