 |
| hydraulic valve: 212 phrases in 34 subjects |
| Armored vehicles | 2 |
| Astronautics | 5 |
| Automated equipment | 7 |
| Automobiles | 3 |
| Aviation | 6 |
| Caspian | 1 |
| Construction | 3 |
| Drilling | 4 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Engines | 1 |
| Firefighting and fire-control systems | 1 |
| General | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 1 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Mechanics | 4 |
| Metallurgy | 1 |
| Mining | 1 |
| Molikpaq | 3 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Production | 1 |
| Sakhalin | 4 |
| Sakhalin A | 1 |
| Sakhalin R | 2 |
| Technology | 125 |
| Tengiz | 1 |
| Thermal engineering | 1 |
| Torpedoes | 1 |
| Transport | 19 |