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配 电 箱: 52 phrases in 11 subjects |
Aviation | 6 |
Communications | 1 |
Electric machinery | 3 |
Electronics | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 2 |
Hydroelectric power stations | 5 |
Information technology | 2 |
Rail transport | 2 |
Shipbuilding | 2 |
Technology | 24 |