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检验局 : 51 phrases in 11 subjects |
| Aviation | 1 |
| Business | 5 |
| Electronics | 3 |
| Foreign trade | 1 |
| General | 30 |
| Information technology | 1 |
| Law | 2 |
| Mathematics | 5 |
| Medical | 1 |
| Oil processing plants | 1 |
| Technology | 1 |
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