Copper-Clad Steel (CCS) 铜包钢
Bare Copper(BC) 裸铜线
Tinned Copper(TC)镀锡铜
DF 不知道
Alumium Foraging (AF)铸造铝
Silver covered copper (SC )镀银铜线
Copper-Clad Steel (CCS) 铜包钢
Bare Copper(BC) 裸铜线
Tinned Copper(TC)镀锡铜
DF 不知道
Alumium Foraging (AF)铸造铝
Silver covered copper (SC )镀银铜线