流量 图 : 48 phrases in 17 subjects |
Automobiles | 2 |
Aviation | 1 |
Chemistry | 1 |
Compressors | 1 |
Desert science | 2 |
Economy | 2 |
Electronics | 1 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 1 |
Geophysics | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 1 |
Oil / petroleum | 3 |
Technology | 23 |
Telecommunications | 2 |
Water resources | 1 |