| |||
| 硬度试验仪回跳硬度计，硬度试验机 | |||
| |||
| 硬度试验机 | |||
| 硬度测试机; 硬度实验机; 硬度计; 硬度测试仪 | |||
|
hardness testing-machine : 12 phrases in 5 subjects |
| Architecture | 1 |
| Metallurgy | 3 |
| Plastics | 1 |
| Steel production | 1 |
| Technology | 6 |
| |||
| 硬度试验仪回跳硬度计，硬度试验机 | |||
| |||
| 硬度试验机 | |||
| 硬度测试机; 硬度实验机; 硬度计; 硬度测试仪 | |||
|
hardness testing-machine : 12 phrases in 5 subjects |
| Architecture | 1 |
| Metallurgy | 3 |
| Plastics | 1 |
| Steel production | 1 |
| Technology | 6 |