燃 烧 率 : 72 phrases in 12 subjects |
Automobiles | 5 |
Aviation | 15 |
Electric machinery | 2 |
Explosives and Explosive Ordnance Disposal | 3 |
Metallurgy | 16 |
Oil processing plants | 1 |
Plastics | 5 |
Refrigeration | 1 |
Shipbuilding | 1 |
Space | 8 |
Technology | 14 |
Textile industry | 1 |