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同步轮 : 43 phrases in 9 subjects |
| Automobiles | 7 |
| Business | 1 |
| Compressors | 5 |
| Computer numerical control | 2 |
| Electric machinery | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 1 |
| Technology | 23 |
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