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| 缝端: 40 phrases in 9 subjects |
| Air defense | 1 |
| Bridge construction | 2 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 17 |
| Textile industry | 12 |
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