722 结果为 '电极丝'
950000006
用厚厚的锌扩散的铜芯涂层
950000007
950000008
950000009
950000010
950203004
涂有伽玛扩散锌的黄铜线
950206005
带锌伽玛的黄铜涂层电线扩散
950203005
950206006
950203012
950206013
950104011
高性能锌涂层黄铜电线