- ZJ vacuum pumping unit
- 2017-01-16 04:21
- ZJ Vacuum Pumping Unit SeriesUse:This unit is suitable for pumping in substation industries, administration of powersupp
- Vacuum Pumping Unit
- 2017-01-16 04:20
- ZJ Vacuum Pumping Unit SeriesUse:This unit is suitable for pumping in substation industries, administration of powersupp
- ZJ Vacuum Pumping Unit Series
- 2016-10-30 13:12
- Use:ZJ vacuum pumping unit is used to vacuum-pump of the electrical vacuum device in transformer substation, administrat