 |
| |||
| 清除信号; 置"0"信号 | |||
| 原发信号 | |||
| 开放信号 | |||
| 开通信号; 拆线信号 | |||
| clear signal: 28 phrases in 7 subjects |
| Communications | 2 |
| Electronics | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 6 |
| Rail transport | 2 |
| Technology | 7 |
| Telecommunications | 4 |
|
| |||
| 清除信号; 置"0"信号 | |||
| 原发信号 | |||
| 开放信号 | |||
| 开通信号; 拆线信号 | |||
| clear signal: 28 phrases in 7 subjects |
| Communications | 2 |
| Electronics | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 6 |
| Rail transport | 2 |
| Technology | 7 |
| Telecommunications | 4 |