 |
| |||
| environmental engineering | |||
| инженерные методы и средства охраны окружающей среды: 4 phrases in 4 subjects |
| Construction | 1 |
| Ecology | 1 |
| Engineering | 1 |
| Technology | 1 |
|
| |||
| environmental engineering | |||
| инженерные методы и средства охраны окружающей среды: 4 phrases in 4 subjects |
| Construction | 1 |
| Ecology | 1 |
| Engineering | 1 |
| Technology | 1 |