In this paper, the theoretical model of cross-flow of graincleaning fan on farm is proposed by using the finite element method.
本文应用有限元方法，建立了横流式农用清选风机内部的气体流动数值模拟模型。
2
Graincleaning machine Shaichang bagging this product is our company products, received more than a graincleaning and suction function than other barnyard grass.
粮食晒场清选装袋一体机本产品是我公司改进产品，比其它晒场收粮机多了一个清选、吸草功能。
3
A new type of dust cleaning device for unprocessed grain is studied and designed.