证明 文 件 : 42 phrases in 18 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 1 |
Business | 2 |
China | 4 |
Commerce | 4 |
Economy | 7 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 1 |
General | 3 |
International trade | 3 |
Nautical | 2 |
Project management | 1 |
Rail transport | 1 |
Securities | 2 |
Shipbuilding | 1 |
Space | 2 |
Technology | 5 |