部分真空的英文

imperfect vacuum

partial vacuum

例句与用法

Sealed under low pressure or a partial vacuum
抽空密封的在低压或部分真空状态下密封起来的
Operating by means of suction or by maintaining a partial vacuum
抽真空的用吸取的方式或用维持部分真空的方式来运作的
People has higher requirement for the quality of laminating machine along with the progressive spread of board decorating material , in order to need the requirement , we designed , this machine - high - low pressure double air pipelines laminating machine
摘要随着板式装饰材料的逐步推广，人们对覆膜质量的要求也越来越高，为了适应厂家的需要，我们设计了高低压双气道覆膜机，特别针对其核心部分真空系统进行了大胆的改革，本文对其原理及与现有覆膜机的区别等做了详细阐述。