排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2012, Vol. 30 Issue (6): 677-682    DOI: 10.3969/j.issn.1674-8530.2012.06.012
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Efficiency scaling method for pumps and their systems
 LU  Wei-Gang, YAN  Deng-Feng, ZHEN  Feng
(College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225009, China)

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