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水流 量 : 569 phrases in 34 subjects |
| Agriculture | 7 |
| Architecture | 4 |
| Aviation | 4 |
| Bridge construction | 21 |
| Chemistry | 1 |
| Compressors | 4 |
| Construction | 2 |
| Desert science | 11 |
| Earth sciences | 5 |
| Ecology | 3 |
| Economy | 1 |
| Electric machinery | 3 |
| Electronics | 18 |
| Engineering geology | 27 |
| Environment | 2 |
| General | 2 |
| Hydraulics | 2 |
| Hydroelectric power stations | 56 |
| Hydrology | 9 |
| Information technology | 3 |
| Metallurgy | 18 |
| Mining | 1 |
| Navigation | 1 |
| Oil / petroleum | 3 |
| Rail transport | 2 |
| Refrigeration | 8 |
| Shipbuilding | 1 |
| Solar power | 2 |
| Space | 1 |
| Steel production | 1 |
| Technology | 314 |
| Telecommunications | 1 |
| Textile industry | 1 |
| Water resources | 30 |
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