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| 单元功能 | |||
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element function : 23 phrases in 9 subjects |
| Air defense | 1 |
| Business | 1 |
| Electronics | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 5 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Telecommunications | 3 |
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