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hydraulic fluid : 88 phrases in 23 subjects |
| Aerohydrodynamics | 1 |
| Air defense | 1 |
| Armored vehicles | 5 |
| Astronautics | 7 |
| Automated equipment | 1 |
| Automobiles | 4 |
| Aviation | 3 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Gold mining | 1 |
| Hydraulics | 3 |
| Jet engines | 1 |
| Makarov | 7 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Non-destructive testing | 3 |
| Oil / petroleum | 2 |
| Oil and gas | 4 |
| Production | 1 |
| Space | 6 |
| Technology | 18 |
| Transport | 14 |