 |
| |||
| ambient air quality | |||
| качество окружающего воздуха: 16 phrases in 8 subjects |
| Ecology | 6 |
| Electricity generation | 1 |
| Energy industry | 2 |
| Environment | 1 |
| Military | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
| Water supply | 1 |
|
| |||
| ambient air quality | |||
| качество окружающего воздуха: 16 phrases in 8 subjects |
| Ecology | 6 |
| Electricity generation | 1 |
| Energy industry | 2 |
| Environment | 1 |
| Military | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
| Water supply | 1 |