![]() |
| |||
white signal | |||
| |||
picture white |
白 信号 : 41 phrases in 13 subjects |
Agriculture | 1 |
Air defense | 3 |
Chemistry | 1 |
Communications | 1 |
Construction | 2 |
Electronics | 3 |
General | 2 |
Genetics | 2 |
Information technology | 1 |
Nautical | 1 |
Shipbuilding | 2 |
Technology | 14 |
Telecommunications | 8 |