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初 缩 : 34 phrases in 11 subjects |
| Architecture | 2 |
| Bridge construction | 3 |
| Chemistry | 1 |
| Compressors | 1 |
| Electronics | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 17 |
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