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江苏大学（原江苏理工大学）与江苏省水利厅合作为“南水北调”工程研究的211模型，是高比转数导叶式斜流泵水力模型。经实验,211模型最高效率为85.3%，效率大于83%的性能范围为：(m3/h),(m),研究结果表明：211模型与轴流泵模型相比，前者具有三大特点。（1）高效范围非常广；
Jiangsu University (formerly Jiangsu University of Science and Technology) and Jiangsu Provincial Department of Water Resources as a “South-to-North Water Diversion” Project 211 model is a high specific speed guide vane pump hydraulic model. The experimental results show that the maximum efficiency of Model 211 is 85.3% and the efficiency is greater than 83%. The performance range is (m3 / h) and (m). The results show that the former has three major characteristics compared with the model of axial-flow pump. (1) a very wide range of high efficiency;