英语词汇vacuum backing pump怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	vacuum backing pump
释义	vacuum backing pump 简明释义真空旋转泵网络释义 1 ?真空旋转泵 ... 真空压力表：vacuum manometer 真空旋转泵：vacuum backing pump 真空限制器：vacuum limiter ... 短语 1 backing vacuum pump 前级真空泵双语例句 1 This Model Vacuum pump can be used along, or as the backing pump of the other kinds of pumps, such as booster pump, diffusion pump, molecular pump etc. 它可以单独使用，管道泵也可作为增压泵、扩散泵、分子泵的前级泵使用。
随便看	third circulation third circulation system third-class thirdclass third class third class carriage third-class citizen third-class citizens third class commercial paper third-class commercial paper third-class conductor third class third classification theorem third class lever third class lever third-class lever system in mastication third class lever system in mastication third-class mail thirdclass mail third-class object third class paper third class paper third class pressure vessel third class sleeping carriage third class standard

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