活化 剂 : 146 phrases in 22 subjects |
Agriculture | 6 |
Animal husbandry | 3 |
Architecture | 2 |
Automobiles | 4 |
Aviation | 1 |
Chemistry | 12 |
Ecology | 2 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 11 |
Mining | 1 |
Oil / petroleum | 20 |
Oil processing plants | 2 |
Pharmacology | 5 |
Plastics | 8 |
Polygraphy | 1 |
Polymers | 19 |
Space | 6 |
Technology | 35 |
Textile industry | 1 |
Water resources | 2 |