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无压水 : 48 phrases in 10 subjects |
| Architecture | 1 |
| Bridge construction | 3 |
| Chemistry | 1 |
| Electronics | 1 |
| Engineering geology | 7 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 6 |
| Oil / petroleum | 2 |
| Technology | 25 |
| United Nations | 1 |
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