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换气 : 286 phrases in 28 subjects |
| Aerodynamics | 1 |
| Automated equipment | 1 |
| Automobiles | 2 |
| Aviation | 2 |
| Biology | 1 |
| Chemistry | 1 |
| Construction | 7 |
| Electronics | 21 |
| Energy industry | 2 |
| General | 90 |
| Geology | 1 |
| Jet engines | 2 |
| Medical | 23 |
| Metallurgy | 2 |
| Military | 1 |
| Mining | 2 |
| Nanotechnology | 1 |
| Nautical | 2 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 3 |
| Oil processing plants | 9 |
| Oilfields | 2 |
| Physics | 1 |
| Physiology | 1 |
| Refrigeration | 3 |
| Technology | 101 |
| Ventilation | 1 |
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