12月21日拍摄的三峡五级船闸南线船闸检修现场。为保障三峡北线船闸明年3月岁修停航期间南线船闸正常运行，自当日8时起，三峡南线船闸停航24小时进行检修；在此期间，葛洲坝一号船闸同步开展机电设备停航保养。 按照计划安排，三峡北线船闸将于2013年3月2日至23日实施为期20天的停航岁修工程，届时三峡南线船闸单线运行。新华社发（郑家裕 摄） On December 21, the three gorges shiplock taken category five downtown lock maintenance field.To protect the three gorges uptown lock march annual repairs stopping during normal operation of the downtown,Since that day and the,The three gorges shiplock stopping France 24 hours for maintenance;During this period,Gezhouba no.1 lock synchronization in mechanical and electrical equipment stopping maintenance. According to the plan,The three gorges uptown lock on March 2, 2013 to 23 for twenty days of stopping implementation of annual repairs engineering,When the three gorges downtown lock single operation.The xinhua news agency hair(ZhengGuYu perturbation)

    12月21日，工人在对三峡五级船闸南线船闸进行检修。新华社发（郑家裕 摄） On December 21,,Workers in the three gorges fresh lock the downtown lock for maintenance.The xinhua news agency hair(ZhengGuYu perturbation)

    三峡南线船闸短时停航检修  为明年北线岁修做准备。新华社发（郑家裕 摄） The three gorges shiplock downtown short stopping maintenance  To prepare for the coming year uptown annual repairs.The xinhua news agency hair(ZhengGuYu perturbation)