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机软的 : 23 phrases in 11 subjects |
| Audio electronics | 1 |
| Aviation | 3 |
| Business | 2 |
| Construction | 1 |
| Electronics | 2 |
| General | 2 |
| Household appliances | 1 |
| Information technology | 1 |
| Project management | 6 |
| Space | 1 |
| Technology | 3 |
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