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预装配: 125 phrases in 15 subjects |
Animal husbandry | 1 |
Architecture | 7 |
Automobiles | 2 |
Aviation | 6 |
Bridge construction | 7 |
Business | 1 |
Drilling | 2 |
Electronics | 1 |
General | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Project management | 2 |
Shipbuilding | 3 |
Space | 2 |
Technology | 85 |