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| acoustic; acoustical | |||
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传音的 : 34 phrases in 10 subjects |
| Air defense | 1 |
| Communications | 2 |
| Electronics | 12 |
| General | 4 |
| Information technology | 2 |
| Plastics | 2 |
| Project management | 2 |
| Refrigeration | 3 |
| Technology | 2 |
| Telecommunications | 4 |
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