Vacuum Pre Cooling Machine Oil Purifier

2018-8-18a water-ring vacuum pump is a sort of vacuum production equipment suitable for pumping air and make the oil purifier working under high vacuum status cooler between vacuum pump and vacuum chamber reduces the temperature of vapor and avoids the vacuum pump damagedacuuuumm ddeehhyydratiioonn eddeggaassiiffiiccaattiioonn rcchhaammbbeerss.

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