dry vacuum air pump

基本解释

• [交通运输工程]干真空泵

英汉例句

双语例句

• It is well known that vacuum drying is to put raw material under the state of vacuum for heating and drying. If use vacuum to pump air and humidity out, the dry speed will be faster.
  所谓真空于燥，就是将干燥物料处在真空条件下，进行加热干燥，如果利用真空泵进行抽气抽湿，则加快了干燥速率。

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专业释义

交通运输工程

• 干真空泵