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Waveguide products need to use much silver for silver plating.
波导类产品的电镀要消耗大量的银。
youdao
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Gold, silver and nickel plating of IC lead frame and package shell.
集成电路引线框架、封装壳体的镀金、镀银、镀镍、镀锡工艺。
youdao
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Gold, silver and nickel plating of IC lead frame and package shell.
集成电路引线框架、封装壳体的镀金、镀银、镀镍、镀锡工艺。
youdao