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Large oil window, the minimum and maximum oil levels can be seen at a glance, to prevent oil shortage, and at the same time, you can always pay attention to the refueling situation The Rotary vane vacuum pump base was made of composite rubber material, shock absorption and seismic resistance, which can extend machine life. Four rubber bottoms increase product stability, anti-skid rubber feet to ensure mini movement. The refrigerant pipe adopts all-copper joints, which has strong corrosion resistance and high sealing performance






