| |||
| 〔客〕可变频率发生器 | |||
| 可变频率发生器 | |||
| 可变频率振荡器 | |||
| 变频发电机 | |||
| |||
| 变频发电机 | |||
| 变频发生器 | |||
|
variable- frequency generator : 6 phrases in 5 subjects |
| Air defense | 1 |
| Construction | 1 |
| Electronics | 1 |
| Technology | 2 |
| Wind Energy | 1 |
| |||
| 〔客〕可变频率发生器 | |||
| 可变频率发生器 | |||
| 可变频率振荡器 | |||
| 变频发电机 | |||
| |||
| 变频发电机 | |||
| 变频发生器 | |||
|
variable- frequency generator : 6 phrases in 5 subjects |
| Air defense | 1 |
| Construction | 1 |
| Electronics | 1 |
| Technology | 2 |
| Wind Energy | 1 |