dry vacuum air pump

基本解释

• [交通運輸工程]乾真空泵

英汉例句

雙語例句

• 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.
  所謂真空於燥，就是將乾燥物料処在真空條件下，進行加熱乾燥，如果利用真空泵進行抽氣抽溼，則加快了乾燥速率。

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专业释义

交通運輸工程

• 乾真空泵