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| 三角 形连接: 32 phrases in 11 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Electric machinery | 9 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 3 |
| Mathematics | 2 |
| Metallurgy | 1 |
| Shipbuilding | 1 |
| Technology | 8 |
| Wind Energy | 1 |
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