液压系统: 225 phrases in 17 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Automobiles | 1 |
Aviation | 18 |
Construction | 1 |
Drilling | 1 |
Electronics | 3 |
General | 50 |
Helicopters | 2 |
Military | 3 |
Mining | 1 |
Nautical | 3 |
Oil and gas | 2 |
Oil processing plants | 6 |
Oilfields | 1 |
Shipbuilding | 1 |
Technology | 130 |