保函: 135 phrases in 21 subjects |
Aviation | 1 |
Business | 1 |
Commerce | 2 |
Cryptography | 1 |
Economy | 3 |
Electronics | 2 |
Engineering geology | 1 |
Exhibitions | 1 |
Finances | 12 |
Hydroelectric power stations | 13 |
Insurance | 1 |
International Monetary Fund | 1 |
International trade | 9 |
Logistics | 6 |
Mathematics | 1 |
Oil / petroleum | 3 |
Project management | 31 |
Rail transport | 12 |
Securities | 3 |
Technology | 23 |
Textile industry | 8 |