 |
| hydraulic systems: 579 phrases in 45 subjects |
| Aerohydrodynamics | 3 |
| Aeronautics | 1 |
| Armored vehicles | 6 |
| Astronautics | 22 |
| Automated equipment | 3 |
| Automobiles | 10 |
| Aviation | 22 |
| Caspian | 1 |
| Construction | 17 |
| Drilling | 4 |
| Ecology | 1 |
| Electrical engineering | 2 |
| Electronics | 5 |
| Energy industry | 14 |
| Firefighting and fire-control systems | 1 |
| Fish farming pisciculture | 1 |
| Forestry | 1 |
| General | 2 |
| Geophysics | 1 |
| Hydraulics | 4 |
| Hydroelectric power stations | 2 |
| Logging | 1 |
| Logistics | 1 |
| Makarov | 13 |
| Mechanics | 1 |
| Military | 13 |
| Mining | 3 |
| Molikpaq | 88 |
| Nautical | 11 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 1 |
| Oil / petroleum | 10 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 4 |
| Polygraphy | 1 |
| Polymers | 1 |
| Production | 1 |
| Pulp and paper industry | 1 |
| Refrigeration | 2 |
| Sakhalin | 2 |
| Submarines | 1 |
| Technology | 231 |
| Thermal engineering | 4 |
| Transport | 61 |