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破坏面: 57 phrases in 14 subjects |
Agriculture | 1 |
Aviation | 1 |
Bridge construction | 4 |
Business | 1 |
Electronics | 1 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 4 |
General | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Plastics | 3 |
Project management | 1 |
Technology | 30 |
United Nations | 1 |