坡 降 : 195 phrases in 16 subjects |
Agriculture | 1 |
Architecture | 3 |
Aviation | 1 |
Bridge construction | 15 |
Construction | 1 |
Desert science | 3 |
Electronics | 2 |
Engineering geology | 9 |
General | 2 |
Hydraulics | 1 |
Hydroelectric power stations | 45 |
Metallurgy | 1 |
Mountaineering | 1 |
Oil / petroleum | 6 |
Technology | 103 |
Wind Energy | 1 |