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| 工作业务手册 | |||
| 操作指南; 操作说明书; 操作手册 | |||
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operational manual : 12 phrases in 6 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Economy | 1 |
| Nautical | 3 |
| Technology | 4 |
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