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  • structure principle for rotary vane pump
    Structure principle for rotary vane pump Structure Rotary vane vacuum pump can be sealed container in a dry gas, with gas ballast if the device can also be drawn in addition to a certain amount of...

  • Understand the working substance of the vacuum system
    Understand the working substance of the vacuum system 1: mechanical vacuum pump, vacuum pump working fluid vapor stream    Water, mercury, oil and water ring pumps, mechanical pumps, molec...

  • The daily maintenance of evaporation coating machine
     You should solve problems immediately in the regular maintenance of vacuum coating equipment .For example, some of the work piece bogie, replace the bearings and then wait until it is completel...

 
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