作者单位:Zhang Xia(Water Diversion and Irrigation Engineering-technology Center Yellow River Institute of Hydraulic Research, He' nan Xinxiang 453003)张霞(黄河水利科学研究院引黄灌溉工程技术研究中心 河南新乡 453003)Zhang Qin wu(Administration Bureau of Renmin Shengli Canal Irrigation District in He'nan Province, He'nan Xinxiang 453003)张钦武(河南省人民胜利渠管理局 河南新乡 453003)Zhou Yuhong(Administration Bureau of Qin and Han Canal Irrigation District in Ningxia Hui Autonomous Region, Wuzhong 751100)周宇红(宁夏秦汉渠管理处 宁夏吴忠 751100)