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由无因次性能的无因次量,用数学方法建立叶轮的性能与结构间的理论关系。便于由性能设计叶轮的相应结构,获高效率及高吸程。
From dimensionless dimensionless, the relationship between the performance and structure of the impeller is established mathematically. Easy to design the corresponding structure of the impeller by the performance, high efficiency and high suction stroke.