overhead contact line

常見例句

Ice coating on overhead contact line not only will influence contact line's sag and pole capability, but will influence the flashover voltage of insulator.
接觸網(wǎng)覆冰不僅影響接觸線的弛度、支柱的容量，在一定程度上還影響著接觸網(wǎng)絕緣子的閃絡(luò)電壓。
In this paper, first, the background and significance of this paper are introduced, and the research status of technique of failure isolation of overhead contact line is presented.
本文首先對(duì)論文的研究背景和意義做了簡(jiǎn)要介紹，并介紹了接觸網(wǎng)故障隔離技術(shù)的發(fā)展及研究現(xiàn)狀。