smelted product 中文意思是什麼
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2001 building the second electrolyzing lead product line, the production of fine lead is 14 ten thousand tons, bank the first of the lead smelted industry in china
新建第二條電解鉛生產線,年產精煉鉛14萬噸,在我國鉛冶煉行業中產量排名第一。
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