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束径 : 49 phrases in 13 subjects |
| Air defense | 2 |
| Architecture | 1 |
| Aviation | 5 |
| Construction | 1 |
| Electronics | 7 |
| Fishery fishing industry | 2 |
| General | 3 |
| Information technology | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Space | 6 |
| Technology | 15 |
| Textile industry | 1 |
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