众所周知，“119”是全国统一专用的火警电话。其构成是由消防有线通讯与邮电线路的消防专用线路组成的通讯网。传输与消防有关的信息，是报告火灾最基本的手段。多年来，火警电话被邮电部门设立为特别服务项目，投入大量的人力、物力和财力，有效地缩短了报警出动时间和减少了 As we all know, “119” is a nationwide unified fire telephone. Its composition is by the fire wired communications and postal lines dedicated fire circuit composed of communications networks. Transmission of fire-related information is the most basic means of reporting a fire. Over the years, the fire telephone has been set up as a special service project by the post and telecommunications department, putting a lot of manpower, material and financial resources into operation, effectively shortening the time for alarm issuance and reducing