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| 轨道电路的自动闭锁 | |||
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automatic : 256 phrases in 15 subjects |
| Business | 9 |
| Chemistry | 1 |
| Customs | 1 |
| Foreign trade | 2 |
| Geotechnics | 1 |
| Insurance | 21 |
| Law | 31 |
| Leather | 6 |
| Mechanics | 2 |
| Pediatrics | 3 |
| Public security | 7 |
| Sealing | 18 |
| Shooting sport | 2 |
| Textile industry | 151 |
| World trade organization | 1 |