800kV特高压直流线路
800 kV UHVDC transmission line
1000kV特高压直流
1 000 kV ultra-high voltage direct current
800kV特高压直流输电
800 kV UHVDC transmission
800 kV UHVDC power transmission
800 kV UHV DC transmission
800 kV UHVDC
800 kV UHV DC power transmission
800kV直流特高压输电
800 kV UHVDC transmission