N:=5;M:=3;底部支撑:HHV(ma(l,m),n),colorgreen,LINETHICK1;HZ1:ma(底部支撑,12),colorcyan;HZ2:ma(底部支撑,30),colorBLUE,LINETHICK1;顶部压力:llv(ma(h,m),n),colorred;