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| curvature line; curved track | |||
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曲线线路 : 57 phrases in 10 subjects |
| Automobiles | 1 |
| Bridge construction | 6 |
| Construction | 1 |
| Electric machinery | 3 |
| Electronics | 6 |
| General | 1 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 35 |
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