 |
| |||
| pollution standard (окружающей среды) | |||
| допустимый уровень загрязнения: 6 phrases in 6 subjects |
| Agriculture | 1 |
| Ecology | 1 |
| Economy | 1 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Water resources | 1 |
|
| |||
| pollution standard (окружающей среды) | |||
| допустимый уровень загрязнения: 6 phrases in 6 subjects |
| Agriculture | 1 |
| Ecology | 1 |
| Economy | 1 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Water resources | 1 |