水文图 : 117 phrases in 12 subjects |
Agriculture | 1 |
Architecture | 3 |
Desert science | 1 |
Earth sciences | 2 |
Ecology | 2 |
Electronics | 5 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Geology | 1 |
Hydroelectric power stations | 7 |
Oil / petroleum | 4 |
Technology | 86 |