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Multistep root pump for pumping plant, has two pairs of rotors which are individually provided in corresponding pump chambers and sequentially rotate in longitudinal direction
Multistep root pump for pumping plant, has two pairs of rotors which are individually provided in corresponding pump chambers and sequentially rotate in longitudinal direction
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机译:用于抽水设备的多级罗茨泵,具有两对转子,它们分别设置在相应的泵室中,并沿纵向顺序旋转
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摘要
Two pairs of rotors (9-12), individually provided in corresponding pump chambers (2a,4a), sequentially rotate in the longitudinal direction along a small space.
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