10月21日，安徽省淮北供电公司技术人员在高空更换输电线路的防污闪绝缘子。大雾天气是电网运行中的重大隐患，安徽淮北供电公司积极采取各种安全措施，对输电线路设备进行检测，发现隐患及时更换，加强人员特巡力度，确保冬季雨雾等恶劣天气电网安全可靠运行。新华社发（王文 摄）     On October 21,,Anhui huaibei power supply company technical personnel in high altitude change of transmission line insulator pollution flashover.The fog weather is power grid operation of major hidden danger,Anhui huaibei power supply company is positive to take all kinds of safety measures,For transmission line equipment testing,Find hidden danger change in time,Strengthen the personnel's efforts to tour,Ensure that winter mist bad weather such as safe and reliable operation of the power grid.The xinhua news agency hair(Wang wen perturbation)

    10月21日，安徽省淮北供电公司技术人员在高空更换输电线路的防污闪绝缘子。新华社发（王文 摄）     On October 21,,Anhui huaibei power supply company technical personnel in high altitude change of transmission line insulator pollution flashover.The xinhua news agency hair(Wang wen perturbation)