工程地点内信号室内外电缆及电线路的敷设、防护、接续、引入、引出、配线等。
Inside and outside cable and circuit laying out, guarding, connection, switch-in, leading out and conductor arrangement of internal signal room on construction site.
高压输电线路故障测距具有巨大的社会效益和经济效益，是国内外电力生产和科研部门密切关注的研究课题。
Fault location for high voltage transmission lines has great social and economical benefit, now electric manufacturers and scientific researching organizations are doing work - about it.
输电线路和变电站的户外电气设备经常遭受到工业污秽或自然界盐碱、飞尘、鸟粪等污染。
Outdoor transmission line and substation electrical equipment often suffer from industrial contamination or natural salt, dust, bird droppings and other contamination.
应用推荐