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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...

  • High-vacuum brazing of diamond tools 3
    High-vacuum brazing of diamond tools 3 Dependence of the brazing process on diamond type, brazingtemperature and braze material The problem of the stability of diamond,namely the resistanc...

 
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