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主交叉 : 15 phrases in 9 subjects |
| Advertising | 1 |
| Architecture | 1 |
| Automobiles | 3 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 5 |
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