discharge valve : 71 phrases in 34 subjects |
Aerohydrodynamics | 4 |
Armored vehicles | 1 |
Astronautics | 3 |
Automobiles | 1 |
Biology | 1 |
Chemistry | 1 |
Construction | 2 |
Drilling | 1 |
Electrical engineering | 1 |
Electronics | 3 |
Energy industry | 3 |
Firefighting and fire-control systems | 4 |
General | 1 |
Hydraulics | 1 |
Makarov | 2 |
Mechanic engineering | 2 |
Medical appliances | 1 |
Mining | 1 |
Nautical | 3 |
Oil / petroleum | 6 |
Oil and gas | 2 |
Oil and gas technology | 4 |
Oilfields | 1 |
Pipelines | 1 |
Production | 1 |
Rail transport | 1 |
Refrigeration | 2 |
Sakhalin | 1 |
Shipbuilding | 1 |
Technology | 11 |
Thermal engineering | 1 |
Torpedoes | 1 |
Transport | 1 |
Water supply | 1 |