| |||
| 变压、变频 | |||
| 变压变频 | |||
| 变频变压调速VVVF | |||
| 变频变压 | |||
|
variable voltage variable frequency : 9 phrases in 5 subjects |
| Electric machinery | 2 |
| Electronics | 1 |
| Mechanics | 2 |
| Nuclear and fusion power | 1 |
| Technology | 3 |
| |||
| 变压、变频 | |||
| 变压变频 | |||
| 变频变压调速VVVF | |||
| 变频变压 | |||
|
variable voltage variable frequency : 9 phrases in 5 subjects |
| Electric machinery | 2 |
| Electronics | 1 |
| Mechanics | 2 |
| Nuclear and fusion power | 1 |
| Technology | 3 |