 |
| |||
| boiler evaporating surface | |||
| испарительная поверхность нагрева котла: 8 phrases in 4 subjects |
| Energy industry | 1 |
| Nautical | 4 |
| Technology | 1 |
| Thermal engineering | 2 |
|
| |||
| boiler evaporating surface | |||
| испарительная поверхность нагрева котла: 8 phrases in 4 subjects |
| Energy industry | 1 |
| Nautical | 4 |
| Technology | 1 |
| Thermal engineering | 2 |