计器用变压变流器
combined voltage current transformers
油浸式仪器用变压器
oil-immersed instrument transformer
电炉变压器
furnace transformer
electric furnace transformer
transformer
EAF Transformer
Furnance transformer
furance transfomer
transformer for electric furnace
electrical furnace transformer
electric transformer
电石炉变压器
calcium-carbid furnace transformer
壳式电炉变压器
Shell-type furnace transformer
氢化炉变压器
Hydriding furnance transformer
500kV站用变压器
500 kV auxiliary transformer
变压器用防油纸板
transformer oil-proof board
测量用变压器的连接
potential transformer connection