 |
| hydraulic pressure: 238 phrases in 40 subjects |
| Aerohydrodynamics | 3 |
| Apollo-Soyuz | 1 |
| Armored vehicles | 1 |
| Astronautics | 12 |
| Automated equipment | 4 |
| Automobiles | 3 |
| Aviation | 6 |
| Construction | 7 |
| Drilling | 1 |
| Electrical engineering | 2 |
| Electronics | 4 |
| Energy industry | 3 |
| Forestry | 1 |
| Geology | 2 |
| GOST | 1 |
| Hydraulic engineering | 1 |
| Makarov | 10 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Military | 1 |
| Mining | 1 |
| Molikpaq | 1 |
| Nanotechnology | 3 |
| Nautical | 6 |
| Oil / petroleum | 8 |
| Oil and gas | 13 |
| Oil and gas technology | 7 |
| Oilfields | 8 |
| Pipelines | 3 |
| Polygraphy | 1 |
| Production | 1 |
| Pumps | 1 |
| Rail transport | 1 |
| Roll stock | 1 |
| Technology | 91 |
| Thermal engineering | 1 |
| Transport | 22 |
| Water resources | 1 |
| Well control | 1 |