GB/T 20990.1-2020高压直流输电晶闸管阀第1部分:电气试验标准
英文:Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing GB/T 20990.1-2020...
英文:Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing GB/T 20990.1-2020...