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亮带 : 23 phrases in 11 subjects |
Agriculture | 1 |
Air defense | 1 |
Aviation | 1 |
General | 1 |
Information technology | 1 |
Metallurgy | 3 |
Oil / petroleum | 5 |
Space | 1 |
Technology | 6 |
Telecommunications | 1 |
Textile industry | 2 |