%A %T %0 Journal Article %D 2001 %J Journal of Drainage and Irrigation Machinery Engin %R 10.3969/j.issn.1674-8530.2001.02.015 %P 46-47 %V 19 %N 2 %U {http://zzs.ujs.edu.cn/pgjx/CN/abstract/article_805.shtml} %8 2001-03-25 %X