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Self-priming centrifugal pump - has smallest angle between water outlet and air outlet not exceeding angle between impeller blades
Self-priming centrifugal pump - has smallest angle between water outlet and air outlet not exceeding angle between impeller blades
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机译：自吸式离心泵-出水口和出风口之间的角度最小，不超过叶轮叶片之间的角度
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摘要
The pump is of the type having lateral annular ducts and an open star-shaped impeller, and pumps water and air from one pump stage to the next via separate outlet orifices. The smallest angle between the edges of the water outlet orifice and the air outlet orifice in the pressure element, seen from the side of the impeller, does not exceed the angle between the blades of the corresponding impeller.
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