Nickel underplating prevents the migration between tin or gold platings and the base material.
垫板镀镍可防止在镀锡或金层与基料之间
移动。
Nickel underplating prevents the migration between tin or gold platings and the base material.
垫板镀镍可防止在镀锡或金层与基料之间移动。
Process of surface treatments include gold plating, silver plating ,nickel plating, chrome plating, tin plating, zinc plating, electrostatic painting, cataphoretic coating, aluminium oxidizing, etc.
产
面处理（镀金．银．镍．铬．锡．锌．静
喷涂．喷漆等）。
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类均由互联网资源自动生成，部未经过人工审核，其
达内容亦不代本软件
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