排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2014, Vol. 32 Issue (5): 416-421    DOI: 10.3969/j.issn.1674-8530.13.0156
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Energy loss-based computational method for moment arm of frictional resistance in ball bearings
Gao Shizhao1, Xu Guobin2
1.School of Civil Engineering, Ludong University, Yantai, Shandong 264025, China; 2.State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China

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