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| information book | |||
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资料册 : 26 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 12 |
| Business | 1 |
| Economy | 2 |
| Exhibitions | 1 |
| General | 1 |
| Project management | 1 |
| Securities | 2 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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