检 查 孔 : 75 phrases in 12 subjects |
Automobiles | 5 |
Drilling | 3 |
Electronics | 3 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 6 |
Oil / petroleum | 4 |
Plastic surgery | 1 |
Shipbuilding | 8 |
Space | 1 |
Technology | 38 |
Telecommunications | 1 |