 |
| 填充物: 64 phrases in 15 subjects |
| Aviation | 2 |
| Cables and cable production | 2 |
| Chemistry | 5 |
| Construction | 1 |
| Ecology | 1 |
| Electronics | 3 |
| General | 12 |
| Geology | 8 |
| Medical | 1 |
| Metallurgy | 1 |
| Mining | 3 |
| Oil / petroleum | 3 |
| Oil processing plants | 5 |
| Silicate industry | 1 |
| Technology | 16 |