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  • Tailless vacuum technology
    Tailless vacuum technology The traditional mug is made of two layers of glass from inside and outside, in the middle evacuated to isolate heat transfer, it has a suction cup at the bottom end of bile, ...

  • Proper use of Roots vacuum unit
    Proper use of Roots vacuum unit 1. Preparation 1, do gymnastics on Haifei Lu personnel must familiarize themselves with the product instructions. 2, before the product to ensure that the produc...

  • 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...

 
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