:MA(C,4),colorred,LINETHICK3;线:=MA(C,19),colorgray,LINETHICK1;:MA(C,200),coloryellow,CIRCLEDOT,LINETHICK1;DRAWTEXT(OSS(安全线,线),H*1.01,'←S '),Color00FF00;DRAWTEXT(CROSS(操盘线,安全线),L*0.99,'←B '),Color00FFFF;