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极限 设计 : 83 phrases in 17 subjects |
| Automobiles | 3 |
| Aviation | 3 |
| Bridge construction | 15 |
| Business | 1 |
| Commerce | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 4 |
| Engineering geology | 2 |
| Hydroelectric power stations | 4 |
| Metallurgy | 1 |
| Navigation | 2 |
| Oil / petroleum | 3 |
| Space | 1 |
| Technology | 35 |
| Wind Energy | 4 |
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