| |||
| 电压回路 | |||
| 电压环路 | |||
| 电压波腹 | |||
|
voltage loop : 8 phrases in 6 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Communications | 1 |
| Geophysics | 1 |
| Space | 2 |
| Technology | 1 |
| |||
| 电压回路 | |||
| 电压环路 | |||
| 电压波腹 | |||
|
voltage loop : 8 phrases in 6 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Communications | 1 |
| Geophysics | 1 |
| Space | 2 |
| Technology | 1 |