源码 5 10 20 60 120 cst:sum(amount,1)/sum(vol,1)*100; cl1:sum(amount,n1)/sum(vol,n1)*100; cl2:sum(amount,n2)/sum(vol,n2)*100; cl3:sum(amount,n3)/sum(vol,n3)*100; cl4:sum(amount,n4)/sum(vol,n4)*100; cl5:sum(amount,n5)/sum(vol,n5)*100;
