 |
| |||
| разгонка при низких температурах (0-300°С) | |||
| разгонка при низких температурах | |||
| low distillation: 9 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Polymers | 1 |
| Refrigeration | 1 |
| Technology | 4 |
|
| |||
| разгонка при низких температурах (0-300°С) | |||
| разгонка при низких температурах | |||
| low distillation: 9 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Polymers | 1 |
| Refrigeration | 1 |
| Technology | 4 |