“dry vacuum pump”的概念、定义、翻译、参考文献-科学参考

单词	dry vacuum pump
释义	dry vacuum pump Encyclopedia 工学真空泵释 dry vacuum pump干式真空泵能在105（大气压）～10-2帕的压力范围内工作，在泵腔内不使用任何液体，排气口与大气相通，能直接向大气排气的泵。又称无油真空泵。
随便看	extreme-value problem extreme-value theorem extreme-value theory extreme weather and climate events extreme weather disaster map extreme yang changing into yin extreme yin changing into yang extremity extremization extremophile extremozymes extremum extremum condition extremum in the large extremum of a function extremum principle extremum problem extremum property extremum test extremum value extrication force extrinsic extrinsic absorption extrinsic allergic alveolitis extrinsic back muscle

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