电镀金属就是把金属薄薄地覆盖上一层金或银等.To plate metal is to cover it with a thin layer of gold, or silver, etc.阁下如有需要使用信用卡或银联借记卡,请与总服务台联系.Credit card and debit card bothin reception.用银层或银汞合金覆盖.To mix or alloy ( a metal ) mercury....