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| 机器安 装: 25 phrases in 12 subjects |
| Aviation | 2 |
| Business | 6 |
| Chemistry | 1 |
| Commerce | 3 |
| Drilling | 1 |
| Economy | 3 |
| Finances | 1 |
| General | 1 |
| International trade | 1 |
| Management | 2 |
| Project management | 1 |
| Technology | 3 |
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