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和积 : 56 phrases in 12 subjects |
| Automated equipment | 3 |
| Business | 8 |
| Construction | 1 |
| Education | 2 |
| Electronics | 1 |
| General | 24 |
| Geology | 1 |
| Information technology | 2 |
| Mathematics | 2 |
| Military | 1 |
| Oil processing plants | 1 |
| Technology | 10 |
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