| |||
| сортированный кокс | |||
|
graded coke : 8 phrases in 4 subjects |
| Aluminium industry | 1 |
| Oil and gas | 1 |
| Oil processing plants | 5 |
| Thermal engineering | 1 |
| |||
| сортированный кокс | |||
|
graded coke : 8 phrases in 4 subjects |
| Aluminium industry | 1 |
| Oil and gas | 1 |
| Oil processing plants | 5 |
| Thermal engineering | 1 |