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| 波道〔频道，通道，信道〕转换开关〔选择器〕 | |||
| 频道选择开关 | |||
| 频道选择器 | |||
| 波道选择转换开关 | |||
| 波段选择器; 频道转换开关 | |||
| 频道选择器 | |||
| 信道选择器 | |||
| 波道转换开关; 波道选择器; 波道选择开关; 通路开关 | |||
| channel selector: 18 phrases in 7 subjects |
| Aviation | 1 |
| Electronics | 8 |
| Geophysics | 1 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 3 |
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