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串操作 : 19 phrases in 9 subjects |
| Artificial intelligence | 1 |
| Business | 1 |
| Chemistry | 1 |
| Computer numerical control | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Technology | 11 |
| Telecommunications | 1 |
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