 |
| |||
| горелка с коробом для подачи воздуха (pelipejchenko) | |||
| box burner: 10 phrases in 4 subjects |
| Electronics | 1 |
| Energy industry | 4 |
| Technology | 2 |
| Thermal engineering | 3 |
|
| |||
| горелка с коробом для подачи воздуха (pelipejchenko) | |||
| box burner: 10 phrases in 4 subjects |
| Electronics | 1 |
| Energy industry | 4 |
| Technology | 2 |
| Thermal engineering | 3 |