3月4日，国家电网天津检修公司工作人员在巡查向北京输送电力的500千伏安北线。连日来，国家电网天津检修公司全面加强电力特巡检查工作，每天派出270余名工作人员坚守在保电一线，重点加强向北京输送电力的相关设备、设施，确保“两会”期间供电保障工作万无一失。新华社发（李津 摄）     On March 4,State grid maintenance company in tianjin staff to the Beijing tour 500 kva power line.For several days,Tianjin national power grid maintenance company comprehensively strengthen power tour inspection,Sent every day more than 270 staff in electrical line,Focus on strengthening the power of relevant equipment to Beijing/facilities,Make sure that"The two sessions"During the power supply security work.Xinhua hair(In photo)

    3月4日，智能巡检机器人在天津北郊500千伏变电站内巡视电力设备、设施。新华社发（李津 摄）     On March 4,Inspection robot intelligent patrol electrical equipment within the substation of 500 kv in the northern suburbs of tianjin/facilities.Xinhua hair(In photo)

    3月4日，国家电网天津检修公司工作人员在巡查向北京输送电力的500千伏安北线。新华社发（李津 摄）     On March 4,State grid maintenance company in tianjin staff to the Beijing tour 500 kva power line.Xinhua hair(In photo)