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堆 石 : 516 phrases in 26 subjects |
Agriculture | 6 |
Architecture | 14 |
Bridge construction | 9 |
Chemistry | 2 |
Construction | 2 |
Desert science | 10 |
Drilling | 1 |
Earth sciences | 12 |
Ecology | 2 |
Electric machinery | 5 |
Electronics | 46 |
Energy industry | 1 |
Engineering geology | 22 |
Explosives and Explosive Ordnance Disposal | 7 |
General | 24 |
Hydraulics | 2 |
Hydroelectric power stations | 66 |
Hydrology | 1 |
Metallurgy | 15 |
Mining | 1 |
Mountaineering | 3 |
Nuclear physics | 10 |
Oil / petroleum | 7 |
Port facilities | 2 |
Technology | 239 |
Water resources | 7 |