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| 比赛用跑道; 共振加速器中粒子轨道; 跑道形电磁分离器 | |||
| 赛马跑道 | |||
| 跑道; 赛车场 | |||
| racetrack: 14 phrases in 7 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Desert science | 1 |
| Electronics | 2 |
| Multimedia | 1 |
| Racing and motorsport | 1 |
| Technology | 6 |
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