pumping circulating water vacu
Date：2024-10-13 View：1144
Anticorrosivefive-pumpWaterCirculatingVacuumPump,alsoknownaswaterringvacuumpump,isavacuumpump. Thelimitvacuumitcanobtainis2000-4000pa,andtheseriesatmosphericejectorcanreach270-670pa. Waterringpumpcana...
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