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| газовый клапан: 38 phrases in 18 subjects |
| Aerohydrodynamics | 1 |
| Automobiles | 3 |
| Combustion gas turbines | 1 |
| Construction | 2 |
| Drilling | 1 |
| Electrical engineering | 1 |
| Energy industry | 3 |
| General | 4 |
| Machinery and mechanisms | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 2 |
| Technology | 7 |
| Tengiz | 1 |
| Thermal engineering | 1 |
| Transport | 3 |
| Welding | 1 |