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| 硬度测试 | |||
| 硬度试验 | |||
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| 硬度试验测定 | |||
|
hardness testing : 60 phrases in 16 subjects |
| Animal husbandry | 1 |
| Architecture | 1 |
| Automobiles | 3 |
| Chemistry | 3 |
| Ecology | 1 |
| Electronics | 1 |
| Foreign trade | 2 |
| Geotechnics | 1 |
| Jewelry | 3 |
| Metallurgy | 20 |
| Mining | 1 |
| Nautical | 1 |
| Plastics | 3 |
| Space | 1 |
| Steel production | 1 |
| Technology | 17 |