 |
| |||
| boiler test | |||
| испытание котла: 12 phrases in 6 subjects |
| Construction | 1 |
| Energy industry | 1 |
| Nautical | 5 |
| Rail transport | 3 |
| Shipbuilding | 1 |
| Thermal engineering | 1 |
|
| |||
| boiler test | |||
| испытание котла: 12 phrases in 6 subjects |
| Construction | 1 |
| Energy industry | 1 |
| Nautical | 5 |
| Rail transport | 3 |
| Shipbuilding | 1 |
| Thermal engineering | 1 |