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煤的转化利用是煤炭工业扩大行业领域、提高经济效益与资源利用的途径;煤的气化和发展煤化工,标志煤的利用现代化.重庆煤矿设计院为济宁煤化公司设计的精苯焦油工程是该院在这个领域的设计起步.
Coal conversion and utilization of the coal industry to expand the field of industry and improve economic efficiency and resource utilization ways; coal gasification and development of coal chemical industry, marking the use of modern coal. Chongqing coal mine design institute for the Jining Coal Company designed refined benzene tar project The hospital started designing in this area.