The resin has successfully been applied to AAS determination of the trace copper in water and pure salts of ZnSO4 and CdCl2 after seperation and preconcentration with the column containing the resin.是什么意思_The resin has successfully been applied to AAS determination of the trace copper in water and pure salts of ZnSO4 and CdCl2 after seperation and preconcentration with the column containing the resin.在线翻译_英语_读音_用法_例句