90 结果为 '高速度电极丝'
950202007
带有双层锌伽玛的黄铜涂层电线扩散
950202008
950000000
用厚厚的锌扩散的铜芯涂层
950202010
950202011
950202012
950202013
950202014
950202015
950202016
950202017
950001000
带有双层锌伽玛的铜芯涂层电线扩散