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| 铅铁: 68 phrases in 12 subjects |
| Architecture | 1 |
| Athletics | 1 |
| Aviation | 1 |
| Chemistry | 4 |
| Desert science | 3 |
| Earth sciences | 3 |
| General | 12 |
| Hydroelectric power stations | 2 |
| Metallurgy | 12 |
| Space | 1 |
| Sports | 1 |
| Technology | 27 |
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