 |
| |||
| twin engine; twin motor | |||
| twin cylinder engine | |||
| double-unit motor; tandem motor | |||
| double-unit engine; duplex engine | |||
| сдвоенный двигатель: 12 phrases in 5 subjects |
| Armored vehicles | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Mechanic engineering | 4 |
| Technology | 3 |
|
| |||
| twin engine; twin motor | |||
| twin cylinder engine | |||
| double-unit motor; tandem motor | |||
| double-unit engine; duplex engine | |||
| сдвоенный двигатель: 12 phrases in 5 subjects |
| Armored vehicles | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Mechanic engineering | 4 |
| Technology | 3 |