voltage-current
| amplification coefficient
| voltage/current | |
| avia. | 电压/电流 |
| amplification coefficient | |
| met. | 放大系数 |
| |||
| 电压/电流 | |||
| 电压—电流 | |||
|
voltage-current : 1 phrase in 1 subject |
| Foreign trade | 1 |