幫我看看后臺開平模塊的書寫格式是否正確

hand：=1 ；

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if?? KD1??? and?? EXTGBDATA(STKLABEL&'KD1')=0? then? begin
??? Tbuy(1,hand,MKT),ORDERQUEUE;
??? EXTGBDATASET(STKLABEL&'KD1',1);
??? end

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if? PD1?? and? pd1<>kd1? and EXTGBDATA(STKLABEL&'KD1')>0 then begin
?? TSell( 1,hand,MKT),ORDERQUEUE;
?? EXTGBDATASET(STKLABEL&'KD1',0);
?? end

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if?? kk1? and?? EXTGBDATA(STKLABEL&'KK1')=0? then? begin
??? TBUYSHORT(1,hand,MKT),ORDERQUEUE;
??? EXTGBDATASET(STKLABEL&'KK1',1);
??? end

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if? PK1?? and? KK1<>PK1? and EXTGBDATA(STKLABEL&'KK1')>0 then begin
?? TSellSHORT( 1,hand,MKT),ORDERQUEUE;
?? EXTGBDATASET(STKLABEL&'KK1',0);
?? end

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語法上沒有錯誤