目前，我国大部分的铅冶炼企业都采用传统的烧结焙烧——鼓风炉炼铅工艺。
At present, traditional sintering-blast furnace lead smelting technology is used in most of the lead smelting enterprises in our country.
目前，我国大部分的铅冶炼企业都采用传统的烧结焙烧——鼓风炉炼铅工艺。
At present, traditional sintering-blast furnace lead smelting technology is used in most of the lead smelting enterprises in our country.
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