 |
| |||
| normal gas | |||
| нормальный газ: 12 phrases in 7 subjects |
| Ecology | 1 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| normal gas | |||
| нормальный газ: 12 phrases in 7 subjects |
| Ecology | 1 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |