Rockwell hardness scale

例句：

1. 1. The Rockwell hardness scale is widely used in the industry for measuring the hardness of materials.
   洛氏硬度标尺在工业中被广泛使用，用于测量材料的硬度。
2. 2.The Rockwell hardness scale is a standardized measurement tool that helps determine the strength and durability of materials.
   洛氏硬度标尺是一种标准化的测量工具，有助于确定材料的性能和耐用性。
3. 3.The Rockwell hardness scale is commonly used in metallurgy and engineering to evaluate the resistance of materials to wear and corrosion.
   洛氏硬度标尺在冶金和工程中常被用来评估材料抵抗磨损和腐蚀的能力。