| |||
| motor de émbolo | |||
|
piston engine : 32 phrases in 7 subjects |
| Coal | 1 |
| Economics | 1 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 7 |
| Technology | 1 |
| Transport | 20 |
| |||
| motor de émbolo | |||
|
piston engine : 32 phrases in 7 subjects |
| Coal | 1 |
| Economics | 1 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 7 |
| Technology | 1 |
| Transport | 20 |