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| 空气 试压: 19 phrases in 9 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nautical | 1 |
| Plastics | 1 |
| Rail transport | 2 |
| Shipbuilding | 7 |
| Technology | 3 |
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