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| 双速 | |||
| English thesaurus | |||
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| DS | |||
| Double Speed: 18 phrases in 8 subjects |
| Automobiles | 4 |
| Boxing | 1 |
| Electric machinery | 3 |
| Electronics | 3 |
| Project management | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
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