运转时间: 52 phrases in 23 subjects |
Agriculture | 2 |
Automobiles | 6 |
Aviation | 5 |
Business | 1 |
Chemistry | 1 |
Communications | 1 |
Corporate governance | 1 |
Economy | 2 |
Electric machinery | 2 |
Electronics | 1 |
General | 1 |
Logistics | 1 |
Management | 1 |
Marketing | 2 |
Metallurgy | 4 |
Oil / petroleum | 1 |
Oil processing plants | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Space | 4 |
Technology | 11 |
Textile industry | 1 |
Wind Energy | 1 |