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| 多 枪: 30 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Electronics | 2 |
| General | 5 |
| Metallurgy | 5 |
| Oil / petroleum | 2 |
| Steel production | 1 |
| Technology | 10 |
| Thermal Energy | 1 |
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