标准硬度块的标定 meaning in Chinese
metallic knoohardness test-: calibration of hardness reference blocks
Examples
- Metallic brinell hardness test - part 3 : calibration of hardness reference blocks
金属布氏硬度试验第3部分:标准硬度块的标定
metallic knoohardness test-: calibration of hardness reference blocks