短语词组短語Bronze SilVer Plating 觸點材料Phosphor bronze gold plating 動觸點bronze e plating 鍍青銅bronze -plating by chemical displacement 化鍍錫青銅Plating red bronze color 電鍍紅古銅色Plating green bronze color 電鍍青古銅色 返回 bronze plating