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消 防 系统 : 75 phrases in 12 subjects |
Aviation | 1 |
Electronics | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 2 |
Nautical | 8 |
Nuclear and fusion power | 7 |
Oil / petroleum | 8 |
Project management | 1 |
Rail transport | 3 |
Shipbuilding | 1 |
Space | 1 |
Technology | 37 |