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card feed |
送卡 : 43 phrases in 14 subjects |
Aviation | 1 |
Business | 4 |
Chemistry | 1 |
Construction | 1 |
Economy | 1 |
Electronics | 4 |
General | 2 |
Information technology | 2 |
Management | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Technology | 20 |
Telecommunications | 2 |
Textile industry | 1 |