| |||
| 中断确认信号 | |||
|
interrupt acknowledge : 10 phrases in 4 subjects |
| Air defense | 1 |
| Information technology | 3 |
| Technology | 3 |
| Telecommunications | 3 |
| |||
| 中断确认信号 | |||
|
interrupt acknowledge : 10 phrases in 4 subjects |
| Air defense | 1 |
| Information technology | 3 |
| Technology | 3 |
| Telecommunications | 3 |