排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2001, Vol. 19 Issue (2): 3-7    DOI: 10.3969/j.issn.1674-8530.2001.02.001
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Discussion About the Technological Innovations of Sprinkler Irrigation Equipment in China
LI Ying neng
Farmland Irrigation Research Institute of MWR, Xinxiang, Henan 453003, China

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