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| material exchange | |||
| exchange of information | |||
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资料交换 : 21 phrases in 12 subjects |
| Aviation | 3 |
| Business | 2 |
| Consulting | 1 |
| Earth sciences | 4 |
| Economy | 1 |
| International trade | 2 |
| Librarianship | 3 |
| Name of organization | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Textile industry | 1 |
| United States | 1 |
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