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河段 : 307 phrases in 16 subjects |
Agriculture | 1 |
Architecture | 1 |
Bridge construction | 14 |
China | 1 |
Construction | 3 |
Desert science | 4 |
Earth sciences | 1 |
Electronics | 2 |
Engineering geology | 6 |
General | 2 |
Hydroelectric power stations | 21 |
Hydrology | 3 |
Oil / petroleum | 5 |
Technology | 241 |
Transport | 1 |
Water resources | 1 |