短語(yǔ)詞組短語(yǔ)copper -clad steel wire blank 銅包鋼線坯copper r clad steel 包銅鋼copper r clad steel wire 銅包鋼線Concentric -Lay-Stranded Copper-Clad Steel Conductors 同心絞捻的包銅鋼導(dǎo)線tin -caoted copper-clad steel wire 鍍錫銅包鋼線 返回 copper clad steel