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  • Set-piece mechanical vacuum pump repair
    Set -piece mechanical vacuum pump repair Fixed vane pumps are all modular structure , similar to the fifth film. Its exhaust valves are marbles style , prolonged use...

  • Advantages and disadvantages of vacuum arc furnace
    Advantages and disadvantages of vacuum arc furnace Vacuum arc: in a vacuum arc furnace and vacuum induction furnace smelting vacuum metallurgy,, while developing two aspects, from the metallurgical s...

  • Convert different degree of vacuum units
    Convert different degree of vacuum units Ideal vacuum does not exist, we refer to a vacuum actually just below a standard atmospheric pressure of the gaseous state, i.e., a so-called thin gas. The degr...

 
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