石笼: 126 phrases in 13 subjects |
Agriculture | 1 |
Architecture | 5 |
Bridge construction | 11 |
Business | 1 |
Electronics | 3 |
Engineering geology | 6 |
General | 1 |
Hydraulics | 1 |
Hydroelectric power stations | 20 |
Hydrology | 9 |
Oil / petroleum | 2 |
Technology | 61 |
Water resources | 5 |