电流电路
Agricultural Non-material Heritage
current circuit
±500 kV超高压直流输电线路
500 kV ultrahigh voltage DC transmission line
1000 kV交流输电线路
1000 kV AC transmission line
1000kV交流输电线路
1 000 kV AC power transmission line
1000 kV AC power transmission line
1000 kV AC transmission line
1000 kV AC power transmission lines
1000kV特高压交流输电线路
1000 kV UHV AC transmission line
500kV交流输电线路
500 kV AC transmission line
500kV直流输电线路
500kV DC transmission line
800kV直流输电线路
800 kV DC transmission lines
800 kV DC transmission line
LED恒流驱动电路
LED constant current drive circuit