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北京地铁从4月21日起,1号线早高峰(6:30～9:00)发车间隔由2分30秒缩短为2分15秒,晚高峰(17:30～19:00)列车运行间隔2分30秒保持不变;2号线内环早高峰和外环晚高峰发车间隔由2
Beijing Subway from April 21 on the 1st morning rush hour (6: 30 ~ 9: 00) departure interval from 2 minutes and 30 seconds reduced to 2 minutes 15 seconds, late peak (17:30 ~ 19:00) train operation Interval of 2 minutes and 30 seconds remain unchanged; Line 2 inner ring early peak and outer ring late peak departure interval from 2