排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2013, Vol. 31 Issue (9): 752-757    DOI: 10.3969/j.issn.1674-8530.2013.09.004
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Topological optimization design of Roots pump lobe with ESO method
Chen Xiaoming, Lai Xide, Zhang Xiang, Zhou Xiang
School of Energy and Environment, Xihua University, Chengdu, Sichuan 610039, China

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