The difficulty beryllium-bronze parts was process was improved. An of electroplating silver on analyzed.

分析了铍青铜零件电镀银的难点，对前处理工艺进行了改进。

youdao

The difficulty beryllium-bronze parts was process was improved. An of electroplating silver on analyzed.

分析了铍青铜零件电镀银的难点，对前处理工艺进行了改进。

youdao