live-line working带电作业
live-line fault detectors线路检测工具
crossing over live-line跨越带电线路
synthetic live-line overhaul带电综合检修
helicopter live-line work直升机带电作业
live-line work working apparatus storehouse带电作业工器具库房
forklift type live-line cleaning device叉车型带电清扫装置
live line oil make-up带电补油