%A %T %0 Journal Article %D 2000 %J Journal of Drainage and Irrigation Machinery Engin %R 10.3969/j.issn.1674-8530.2000.04.007 %P 17-19 %V 18 %N 4 %U {http://zzs.ujs.edu.cn/pgjx/CN/abstract/article_742.shtml} %8 2000-07-25 %X