| |||
| процесс обогащения; процесс концентрации | |||
|
concentration process : 4 phrases in 3 subjects |
| Diplomacy | 1 |
| Refrigeration | 2 |
| Technology | 1 |
| |||
| процесс обогащения; процесс концентрации | |||
|
concentration process : 4 phrases in 3 subjects |
| Diplomacy | 1 |
| Refrigeration | 2 |
| Technology | 1 |