 |
| |||
| 洛氏硬度标度 | |||
| 洛氏硬度数; 洛克威尔硬度数 | |||
| 洛氏硬度标尺; 洛氏硬度值 | |||
| Rockwell hardness scale: 14 phrases in 4 subjects |
| Earth sciences | 1 |
| Metallurgy | 11 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
|
| |||
| 洛氏硬度标度 | |||
| 洛氏硬度数; 洛克威尔硬度数 | |||
| 洛氏硬度标尺; 洛氏硬度值 | |||
| Rockwell hardness scale: 14 phrases in 4 subjects |
| Earth sciences | 1 |
| Metallurgy | 11 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |