地下水 面 : 87 phrases in 15 subjects |
Agriculture | 2 |
Architecture | 1 |
Aviation | 2 |
Bridge construction | 1 |
Construction | 3 |
Earth sciences | 1 |
Ecology | 3 |
Electronics | 3 |
Engineering geology | 7 |
Geology | 1 |
Hydroelectric power stations | 3 |
Oil / petroleum | 1 |
Soil science | 2 |
Technology | 53 |
Water resources | 4 |