双路电源自动切换控制模块
double road power supply automatically transfer control module
双电源双回线
double- circuit line with power source at each end
单电源双回线
double- circuit line with a power source at one end
单电源双丝
double wire with single power
单电源双丝埋弧焊
single power source twin-wire submerged arc weldin
单负载-双电源
Single-load Double-source
对称双电源
symmetrical double power supply
双电源供电系统
double power supply system
双电源切换
duplicate supply switching
dual power switch
双电源切换回路
dual power supply switching circuit
双电源驱动技术
dual-power driving technology
双电源线路
duplicate power supply line
double terminal source transmission line