不 燃的 : 74 phrases in 16 subjects |
Agriculture | 1 |
Architecture | 3 |
Automobiles | 9 |
Aviation | 5 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 3 |
General | 12 |
Hydroelectric power stations | 1 |
Metallurgy | 8 |
Nautical | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Project management | 1 |
Refrigeration | 1 |
Space | 10 |
Technology | 15 |