名词
中文翻译：炼铅
同义词：
['lead smelting', 'lead refining']
例句：
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1.The pyritic smelting process is crucial for the production of electrical equipment.
炼铅过程对于生产电气设备至关重要。
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2.The company specializes in lead smelting and has been in operation for over a century.
该公司专门从事铅冶炼，已有超过一个世纪的历史。
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3. The environmental impact of pyritic smelting needs to be addressed urgently.
炼铅的环境污染需要紧急解决。