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| operation record | |||
| charge book | |||
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作业记录 : 16 phrases in 10 subjects |
| Aviation | 2 |
| Business | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Information technology | 1 |
| Metallurgy | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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