短語(yǔ)詞組短語(yǔ)Lead Silver Concentrate 銀鉛精礦Lead ore concentrate 鉛精礦;鉛礦石精礦silver lead ore concentrate 銀鉛精礦;銀鉛礦精礦lead sulphide concentrate 硫化鉛精礦flotation lead -concentrate 鉛精礦lead sulfide concentrate 硫化鉛精礦copper -lead bulk concentrate 銅鉛混合精礦zinc -lead bulk concentrate 鋅鉛混合精礦carbon and lead containing concentrate 含碳鉛精礦 返回 lead concentrate