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  • The relative relationship between the degree of vacuum and absolute vacuum
    Representation of the degree of vacuum are usually two: An absolute pressure With "absolute pressure", "absolute vacuum degree" (ie than the "theoretical vacuum" How much pressure is high) to indicat...

  • X-type rotary vane
    X-type rotary vane One , X type rotary vane vacuum pump introduction and use: X-type rotary vane vacuum pumps are single-stage rotary vane vacuum pump, the first domestic energy pumping a l...

  • Roots water ring vacuum pump works
    Roots water ring vacuum pump works    Due to the continuous rotation of the rotor, gas is drawn from the intake port into the space v0 between the rotor and the casing, and then is discharge...

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