| 1. | Silicon is a hard, brittle material registering 72. 6 on the rockwell "a" hardness scale .
硅是硬而脆的材料，根据Rockwell“A”硬度分度测值为726。 |
| 2. | Metallic materials - rockwell superficial hardness test
金属表面洛氏硬度试验方法 |
| 3. | Test method of rockwell hardness for friction materials
摩擦材料洛氏硬度试验方法 |
| 4. | Specification for rockwell superficial hardness testers
表面洛氏硬度计技术条件 |
| 5. | Rockwell hardness test - calibration of reference blocks
洛氏硬度试验.基准块的校准 |
| 6. | Test method for rockwell hardness of graphite materials
石墨材料洛氏硬度的试验方法 |
| 7. | Rockwell hardness test - verification of testing machines
洛氏硬度试验.试验机的验证 |
| 8. | Bonded abrasives hardness measurement by rockwell tester
洛氏硬度计检验磨具硬度的方法 |
| 9. | Woodhead , prosoft and rockwell automation s products
无线类产品配件自动化产品ic产品 |
| 10. | Standardized blocks of rockwell superficial hardness
标准表面洛氏硬度块 |
