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| 中频放大器 | |||
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| ★ 中频放大器 | |||
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| 中频放大器 | |||
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intermediate frequency amplifier : 18 phrases in 6 subjects |
| Air defense | 8 |
| Communications | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Space | 5 |
| Technology | 1 |
| |||
| 中频放大器 | |||
| |||
| ★ 中频放大器 | |||
| |||
| 中频放大器 | |||
|
intermediate frequency amplifier : 18 phrases in 6 subjects |
| Air defense | 8 |
| Communications | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Space | 5 |
| Technology | 1 |