针对电气化铁道牵引供电设备的绝缘试验，研制了一种新型便携式绝缘综合测试仪。

For insulation test on traction power supply equipment in electrified railway, a new type of synthetic measuring instrument is developed.

youdao

针对电气化铁道牵引供电设备的绝缘试验，研制了一种新型便携式绝缘综合测试仪。

For insulation test on traction power supply equipment in electrified railway, a new type of synthetic measuring instrument is developed.

youdao