洛氏表面硬度试验 meaning in English
superficial rockwell hardness test
superficialrockwellhardnesstest
Examples
- Advanced technical ceramics . monolithic ceramics . mechanical properties at room temperatures . vickers , knoop and rockwell superficial hardness tests
高技术陶瓷.整体陶瓷.室温下机械性能.维氏,努氏和洛氏表面硬度试验