• 、铅合金锌压青铜等合金电镀常用预镀铜改善结合力

    Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.

    youdao

  • 、铅合金锌压青铜等合金电镀常用预镀铜改善结合力

    Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.

    youdao

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