架空传输线 meaning in English

overhead transmission line

Measurement of audible noise from overhead transmission lines
架空传输线可闻噪声的测量
Guide for inspection of overhead transmission line construction
架空传输线结构检查指南
Installation of overhead transmission line conductors , guide to the
架空传输线导体的安装指南
Guide to the installation of overhead transmission line conductors
架空传输线路导线的安装指南