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Journal of Drainage and Irrigation Machinery Engin  2020, Vol. 38 Issue (1): 58-61    DOI: 10.3969/j.issn.1674-8530.18.0037
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Experimental study on friction factors for water flow in smooth pipe flow under negative pressure
FANG Yujian1*, YUAN Shouqi1, ZHAO Liwei2, ZHANG Jinfeng1
1. National Research Center of Pumps, Jiangsu University, Zhenjiang, Jiangsu 212013, China; 2. Chinese Academy of Agricultural Mechanization Sciences, Beijing 100083, China

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