chromiumn.铬
chromium peroxide过氧化铬
chromium mordants铬媒染剂
chromium chloride氯化铬
chromium recovery回收铬
chromium-platedadj.镀铬的
Chromium - free无铬
chromium pollution铬污染
chromium glutamate谷氨酸铬
chromiumplated hub镀铬针座
chromium pollutant铬污染物