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真空泵是利用水环工作方式,向腔体内注入工艺水,同时在叶轮的旋转下形成-0.05—0MPa的真空压力,是整套设备的真空源泉。 Vacuum pump is uses water ring method, and injected into the body cavity of the process water, while forms the -0.05-0MPa vacuum pressure under impeller''s revolving, it is the source of complete equipment.