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大包复线工程 铁法矿务局大兴立井建设规模300万吨/年,是我国具有八十年代水平的现代化矿井利用煤代油资金建设成果之二$国务院以煤代油专用资金办公室
Dabao Double Track Project The Tiefa Mining Bureau Daxing Shaft has a construction scale of 3 million tons per year. It is the country’s 80th-generation modern coal mine using coal as a substitute for oil funds.