 |
| |||
| 扩音装置〔系统〕 | |||
| 扩音系统; 有线广播 | |||
| 有线广播系统 | |||
| 公用广播系统 | |||
| |||
| 有线广播扩音系统; 扩音装置〔系统〕; 有线广播 | |||
| 播音系统 | |||
| 公共地址系统; 扩音系统 | |||
| 公众扩声系统 | |||
| 有线广播系统 | |||
| 广播机; 播音装置 | |||
| 公告系统 | |||
| 广播系统 | |||
| 扩声系统; 扩音装置; 扩声装置 | |||
| 公用扩音系统; 公用有线广播系统 | |||
| 公共广播系统 | |||
| |||
| 公共广播系统套 | |||
| English thesaurus | |||
| |||
| PAS | |||
| public-address system: 6 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Nautical | 1 |
| Technology | 3 |
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