autovac

英

美

n.  真空箱（装置）

机械

双语例句

• Study of Choosing and Installing Autovac Drawing Water Equipment In the three-dimensional question, the treatment drawing water in the shaft is a difficult point.
  真空罐引水装置设计选用及设置要点三维问题中，抽水竖井的处理是一个难点。