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加红线 : 24 phrases in 9 subjects |
| Agriculture | 3 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Metallurgy | 6 |
| Refrigeration | 1 |
| Reproductive biology | 1 |
| Shipbuilding | 3 |
| Technology | 6 |
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