用 水 率 : 48 phrases in 13 subjects |
Agriculture | 4 |
Commerce | 1 |
Desert science | 3 |
Earth sciences | 1 |
Ecology | 8 |
Electronics | 2 |
General | 1 |
Hydraulics | 2 |
Hydroelectric power stations | 7 |
Metallurgy | 1 |
Project management | 1 |
Technology | 13 |
Water resources | 4 |