очистка воздуха: 42 phrases in 22 subjects |
Automated equipment | 2 |
Drilling | 1 |
Ecology | 1 |
Electronics | 2 |
Energy industry | 4 |
Environment | 1 |
Food industry | 2 |
General | 2 |
Mechanic engineering | 1 |
Military | 2 |
Mining | 3 |
Nanotechnology | 1 |
Natural resourses and wildlife conservation | 3 |
Nuclear physics | 3 |
Oil / petroleum | 3 |
Oil and gas | 2 |
Oilfields | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 4 |
Textile industry | 1 |
Thermal engineering | 1 |