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| heavy-oil engine | |||
| vaporizing-oil engine | |||
| двигатель тяжёлого топлива: 27 phrases in 12 subjects |
| Automobiles | 4 |
| Drilling | 3 |
| General | 2 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Military | 2 |
| Nautical | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 5 |
| Thermal engineering | 2 |
| Transport | 4 |