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技术仪表 : 15 phrases in 9 subjects |
| Aviation | 2 |
| Economy | 1 |
| Electronics | 2 |
| General | 2 |
| Information technology | 1 |
| Metallurgy | 3 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 2 |
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