短語詞組短語nickel -copper-sulfide ore 鎳銅硫化礦primary copper sulfide ore 原生硫化銅礦copper -nickel sulfide ore 銅鎳硫化礦poor nickel copper sulfide ore 硫化鎳銅貧礦石copper sulfide ore containing gold 含金硫化銅礦low -grade primary copper sulfide ore 低品位原生硫化銅礦 返回 copper sulfide ore