“罗茨真空泵”的概念、定义、翻译、参考文献-科学参考

单词	罗茨真空泵
释义	罗茨真空泵 Encyclopedia 工学真空泵释 roots vacuum pump罗茨真空泵靠泵腔内一对叶形转子同步、反向旋转的推压作用来移动气体而实现抽气的真空泵。
随便看	velocity component velocity control velocity correlation function velocity correlation function of Brownian particle velocity correlation tensor velocity-coupled response velocity curve velocity-density reconstruction velocity-density relation velocity determination velocity dispersion velocity-distance relation velocity distribution velocity distribution function velocity distribution law of ideal gas molecules velocity ellipse velocity ellipsoid velocity field velocity-flow relation velocity for erosion and sedimentation control velocity gain guidance velocity gradient velocity-gradient force velocity-gradient tensor velocity hodograph

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