90 结果为 '高速度电极丝'
950000000
用厚厚的锌扩散的铜芯涂层
950000001
950000002
950000003
950000004
950000005
950000006
950000007
950000008
950000009
950000010
950202007
带有双层锌伽玛的黄铜涂层电线扩散