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  • Classification vacuum measurement tools
    Classification vacuum measurement tools Vacuum pumps used in the vacuum gauge can be divided into two categories: one is able to directly measure the absolute pressure gauge systems, such as McGraw (Mc...

  • Status of the delayed impact of the air pump on-time
    Status of the delayed impact of the air pump on-time With the vacuum chamber air temperature, the vacuum pump is turned on delay time increases gradually. Because the relative humidity is con...

  • Three methods of vacuum dechlorination method
    Three methods of vacuum dechlorination method   Decompression dechlorination is injected in an appropriate amount of hydrochloric acid in salt water, the pH was adjusted to 1.8 to 2.2, while maintain...

 
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