 |
| |||
| концентрация в атмосферном воздухе (Alexander Demidov) | |||
| концентрация в атмосфере | |||
| atmospheric concentration: 11 phrases in 4 subjects |
| Ecology | 4 |
| Energy industry | 1 |
| Makarov | 1 |
| Weapons of mass destruction | 5 |
|
| |||
| концентрация в атмосферном воздухе (Alexander Demidov) | |||
| концентрация в атмосфере | |||
| atmospheric concentration: 11 phrases in 4 subjects |
| Ecology | 4 |
| Energy industry | 1 |
| Makarov | 1 |
| Weapons of mass destruction | 5 |