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|
check valve : 407 phrases in 47 subjects |
| Armored vehicles | 6 |
| Astronautics | 6 |
| Automated equipment | 10 |
| Automobiles | 10 |
| Aviation | 13 |
| Caspian | 2 |
| Construction | 12 |
| Drilling | 6 |
| Electronics | 6 |
| Energy industry | 6 |
| Engines | 1 |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 2 |
| General | 4 |
| Industry | 1 |
| 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 | 5 |
| 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 | 7 |
| Shipbuilding | 6 |
| Space | 5 |
| Technology | 203 |
| Tengiz | 3 |
| Thermal engineering | 1 |
| Torpedoes | 1 |
| Transport | 9 |