8月23日晚，中共中央政治局常委李长春来到北京中国国际展览中心，参观2012北京国际广播影视设备展览会。这是李长春在展台前试用一款新型广播影视产品时，询问产品的推广应用情况。新华社记者刘卫兵摄  On the night of August 23rd,，The standing committee of CCCPC political bureau li changchun to Beijing, China international exhibition center，Visit the 2012 Beijing international radio, film and television equipment exhibition。This is li changchun in the booth trial before a new radio, film and television products，Ask the product promotion application。Xinhua news agency reporters LiuWeiBing perturbation