有效 应 力 : 72 phrases in 14 subjects |
Automobiles | 1 |
Bridge construction | 5 |
Cosmetics and cosmetology | 1 |
Desert science | 1 |
Drilling | 5 |
Economy | 1 |
Engineering geology | 16 |
Explosives and Explosive Ordnance Disposal | 3 |
Geology | 1 |
Hydroelectric power stations | 6 |
Metallurgy | 2 |
Nuclear and fusion power | 1 |
Project management | 1 |
Technology | 28 |