急性局限性前壁心肌梗死。心电图特征性改变见于下列哪组导联

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15221' and id < 1267112 and id<>'1267112' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15221' and id > 1267112 and id<>'1267112' order by id asc limit 5