运 输 能力 : 37 phrases in 13 subjects |
Air defense | 1 |
Aviation | 4 |
Bridge construction | 1 |
Business | 3 |
Commerce | 3 |
Economy | 4 |
Electronics | 1 |
General | 2 |
Hydroelectric power stations | 1 |
International trade | 2 |
Technology | 13 |
Textile industry | 1 |
United Nations | 1 |