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| 操作方法; 工作技术 | |||
| working technical: 25 phrases in 10 subjects |
| Air defense | 1 |
| Business | 1 |
| Consulting | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Management | 1 |
| Name of organization | 7 |
| Rail transport | 1 |
| Technology | 2 |
| United Nations | 8 |
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