chromic acid mixture是什么意思

用法例句

Chrome plating in chromic acid bath containing the additives of rare earth element is a new kind of technology, which can reduce the concentration of the chromic acid, improve the property of the bath, and enhance the quality of the coating.

在铬酸镀液中加入稀土添加剂能降低镀液的铬酸浓度、改善镀液性能、提高镀层质量，达到节约原材料、降低能耗、减少污染的目的，因而具有较好的应用前景。