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根据泵及泵装置运行特征和泵的相似理论，建立不同技改方案下，泵及泵装置性能预测的数学模型，为合理确定技改方案，预测技改后泵及泵装置特性提供理论依据。
According to the operation characteristics of pump and pump unit and the similar theory of pump, the mathematical model of pump and pump unit performance prediction under different technical modification schemes is established, which provides theoretical basis for predicting the technical innovation scheme and predicting the characteristics of post-technological pump and pump unit.