 |
| |||
| ★ 信号控制器 | |||
|
signal controller : 13 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Communications | 1 |
| Electronics | 5 |
| Road construction | 1 |
| Space | 2 |
| Technology | 2 |
|
| |||
| ★ 信号控制器 | |||
|
signal controller : 13 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Communications | 1 |
| Electronics | 5 |
| Road construction | 1 |
| Space | 2 |
| Technology | 2 |