11月15日，电力工人在秦皇岛海港区李庄变电站进行设备维护检查。进入冬季以来，冀北秦皇岛电力公司提前对辖区内的14个220千伏变电站和34个110千伏变电站设备进行全面维护、检查，以确保冬季电网安全稳定运行。新华社记者 杨世尧 摄     November 15,,Electricity workers in qinhuangdao HaiGangOu LiZhuang substation for equipment maintenance inspection.Since enter winter,Hebei north qinhuangdao power company to advance within the jurisdiction of 14 220 kv substations and 34 110 kv substations equipment to conduct a comprehensive maintenance/check,To ensure the safe and stable operation of the grid during the winter.Xinhua news agency reporters YangShiYao perturbation

    11月15日，电力工人在秦皇岛海港区李庄变电站进行设备维护检查。新华社记者 杨世尧 摄     November 15,,Electricity workers in qinhuangdao HaiGangOu LiZhuang substation for equipment maintenance inspection.Xinhua news agency reporters YangShiYao perturbation