短語詞組短語Lead zinc bulk concentrate 混合鉛鋅精礦zinc ore concentrate 鋅精礦zinc sulfide concentrate 硫化鋅精礦;鋅精礦zinc sulphide concentrate 硫化鋅精礦zinc oae concentrate 鋅精礦zinc sulfuration concentrate 硫化鋅精礦lead zinc mixed concentrate 鉛鋅混合礦zinc bulk concentrate 鋅混合礦zinc oxide concentrate 氧化鋅精礦 返回 zinc concentrate