speed-change gear : 23 phrases in 12 subjects |
Armored vehicles | 2 |
Automobiles | 1 |
Construction | 1 |
Gear train | 1 |
Machine tools | 1 |
Mechanic engineering | 9 |
Military | 1 |
Mining | 1 |
Oil / petroleum | 1 |
Rail transport | 2 |
Technology | 1 |
Thermal engineering | 2 |