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  • About some common sense vacuum pump oil
    About some common sense vacuum pump oil   Due to lack of suitable types of oil supply on the market is not timely or other factors, the vacuum pump oil in the process of applying sometimes attack oi...

  • The quality of vacuum-packed fresh affect the quality factor
    The quality of vacuum-packed fresh affect the quality factor Food is in the atmosphere, will be affected by temperature, moisture, oxygen and sunlight. At the same time, but also by microorganisms, i...

  • vacuum check valve
    vacuum check valve Vacuum valve, also known as a one-way valve or check valve, and its role is to prevent the line of medium back. Also belongs to check class. The vacuum check valve in pump applica...

 
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