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| 工程管理局; 技术室 | |||
| 技术处; 工程处 | |||
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engineering office : 15 phrases in 7 subjects |
| Aviation | 5 |
| Business | 1 |
| Earth sciences | 3 |
| Economy | 1 |
| Electronics | 2 |
| Space | 2 |
| United States | 1 |
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