| |||
| 优先进入线路的信号联动系统 | |||
|
scheme system : 14 phrases in 6 subjects |
| Automobiles | 1 |
| Economics | 6 |
| Name of organization | 1 |
| Securities | 2 |
| Technology | 2 |
| Textile industry | 2 |
| |||
| 优先进入线路的信号联动系统 | |||
|
scheme system : 14 phrases in 6 subjects |
| Automobiles | 1 |
| Economics | 6 |
| Name of organization | 1 |
| Securities | 2 |
| Technology | 2 |
| Textile industry | 2 |