 |
| 自记 仪器: 14 phrases in 6 subjects |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Quality control and standards | 1 |
| Space | 1 |
| Technology | 9 |
| Water resources | 1 |
|
| 自记 仪器: 14 phrases in 6 subjects |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Quality control and standards | 1 |
| Space | 1 |
| Technology | 9 |
| Water resources | 1 |