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额定时间 : 29 phrases in 13 subjects |
| Bridge construction | 1 |
| Business | 1 |
| Chemistry | 1 |
| Commerce | 1 |
| Earth sciences | 1 |
| Economy | 3 |
| Electronics | 5 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 1 |
| Technology | 10 |
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