hard copper wire 硬铜线

hard drawn copper 冷拉铜

HARD COPPER ALLOYS 硬铜合金

hard copper plating 电镀硬铜

hard drawn copper wire 硬拉铜丝 ; 冷拉铜丝 ; 硬拉铜线 ; 硬抽铜线

one-half-hard copper 二分之一硬铜

half-hard copper wire 半硬铜线

hard copper single wire 硬铜单线

hard copper strand wire 硬铜绞线