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  • The use of technology diffusion pump oil
    The use of technology diffusion pump oil Because the top of the vapor stream is pumped gas partial pressure is greater than the partial pressure of the gas in the vapor stream, so the gas molecules con...

  • Reciprocating piston pump Overview
    Reciprocating piston pump Overview Reciprocating pumps in the open (cylindrical) piston figure is adopted in small, non-slider compressor. When pressed Shui machine work, the role of vertical spit...

  • Development of vacuum heat treatment furnace vacuum technology
    Development of vacuum heat treatment furnace vacuum technology   Development of vacuum heat treatment process is inseparable from the development of equipment to improve the level of equipment and te...

 
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