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复式交换机 |
multiple exchange : 41 phrases in 12 subjects |
Aviation | 1 |
Business | 8 |
Chemistry | 1 |
Commerce | 1 |
Economy | 9 |
Finances | 1 |
International Monetary Fund | 8 |
International trade | 6 |
Logistics | 1 |
Metallurgy | 1 |
Technology | 3 |
Telecommunications | 1 |