valve gear: 114 phrases in 17 subjects |
Armored vehicles | 6 |
Automated equipment | 3 |
Automobiles | 13 |
Aviation | 1 |
Electrical engineering | 1 |
Energy industry | 1 |
General | 1 |
Machinery and mechanisms | 1 |
Mechanic engineering | 18 |
Nautical | 14 |
Oil / petroleum | 1 |
Oil and gas | 3 |
Rail transport | 12 |
Shipbuilding | 9 |
Technology | 13 |
Thermal engineering | 9 |
Transport | 8 |