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Journal of Drainage and Irrigation Machinery Engin  2004, Vol. 22 Issue (4): 1-2    DOI: 10.3969/j.issn.1674-8530.2004.04.001
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Theoretical Research the Balancing Axial Thrust by Increasingthe Back Sealing Ring of the Impeller
LI Qi-fei, LIU Zai-lun, LI Ren-nian, CHEN Yun-fu
College of Fluid Power and Control Engineering, Lanzhou University of Science and Technology, Lanzhou 730050, China

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