M1:MA(CLOSE,17)+ABS(MA(CLOSE,17)-REF(MA(CLOSE,17),1)),COLORGREEN;   
    M2:MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1),COLORGREEN,LINETHICK1;   
    M3:IF(MA(CLOSE,17)<M2,M2,MA(CLOSE,17)),COLORGREEN,LINETHICK1;   
    支撑线:M3-(EMA(C,3)-M3),COLORFF8080,LINETHICK1;   
    J1:=BACKSET(M1>REF(M1,1),2);    
    IF(J1,M3,DRAWNULL),COLORRED,LINETHICK2;   
    DRAWICON(CROSS(支撑线,M3),H*1.01,2);   
    DRAWICON(CROSS(M3,支撑线),L*0.99,1);