If the assembly has a low-voltage switch, ensure the switch is in the on position.
如果装置中有一个低压开关，确保开关处于接通位置。
The application of phase selection close switch in low voltage electrical apparatus test was introduced.
介绍了低压电器产品试验中选相合闸开关的应用。
The application of phase selection close switch in low voltage electrical apparatus test was introduced.
介绍了低压电器产品试验中选相合闸开关的应用。
应用推荐