在工业中，碘是合成有机燃料的主要成分，可以制酞系的焦油燃料。
In industry, iodine is the main content of composing organic fuel, which can make phthalein series tar fuel.
济宁碳素集团有限公司始建于1987年，是国家大型股份制企业，是国内碳素和煤焦油加工行业龙头企业。
Jining carbon Group Limited which was founded in 1987 is a national large-scale joint-stock enterprise. It is a domestic leading enterprise in carbon and coal tar processing industry.
济宁碳素集团有限公司始建于1987年，是国家大型股份制企业，是国内碳素和煤焦油加工行业龙头企业。
Jining carbon Group Limited which was founded in 1987 is a national large-scale joint-stock enterprise. It is a domestic leading enterprise in carbon and coal tar processing industry.
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