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2007年10月31日,北京地铁公司就应对近期客流增长召开新闻发布会,相关负责人表示,为应对客流潮汐式增长,进入冬运
On October 31, 2007, the Beijing Metro Company held a press conference on the recent passenger flow growth. Relevant officials said that in order to cope with the tidal growth of passenger flow, it entered the winter operation