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| 话音通信系统 | |||
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| 话音通信系统 | |||
| 音频通信系统 | |||
| 通话装置 | |||
| 通话系统 | |||
| English thesaurus | |||
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| VCS | |||
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voice communications system : 19 phrases in 5 subjects |
| Air defense | 1 |
| Aviation | 8 |
| Electronics | 5 |
| Space | 3 |
| Technology | 2 |
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