check valves: 392 phrases in 46 subjects |
Armored vehicles | 6 |
Astronautics | 6 |
Automated equipment | 10 |
Automobiles | 10 |
Aviation | 9 |
Caspian | 2 |
Construction | 12 |
Drilling | 6 |
Electronics | 6 |
Energy industry | 6 |
Engines | 1 |
Firefighting and fire-control systems | 2 |
Gas processing plants | 2 |
General | 4 |
Karachaganak | 2 |
Law | 1 |
Machinery and mechanisms | 3 |
Makarov | 2 |
Mechanic engineering | 2 |
Mechanics | 7 |
Medical | 2 |
Medical appliances | 3 |
Metallurgy | 1 |
Military | 6 |
Mining | 4 |
Molikpaq | 1 |
Nautical | 12 |
Nuclear and fusion power | 3 |
Oil / petroleum | 4 |
Oil and gas | 11 |
Oil and gas technology | 7 |
Oil processing plants | 1 |
Oilfields | 2 |
Pipelines | 1 |
Polygraphy | 2 |
Production | 1 |
Rail transport | 6 |
Refrigeration | 1 |
Sakhalin | 8 |
Shipbuilding | 6 |
Technology | 196 |
Tengiz | 3 |
Thermal engineering | 1 |
Torpedoes | 1 |
Transport | 9 |
Valves | 1 |