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渡槽 : 94 phrases in 12 subjects |
Agriculture | 1 |
Architecture | 1 |
Bridge construction | 4 |
Desert science | 1 |
Earth sciences | 1 |
Electronics | 2 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 4 |
Hydraulics | 9 |
Hydroelectric power stations | 23 |
Technology | 46 |