论文部分内容阅读
近日,马脊梁矿被国家煤炭工业局命名为1 998年度行业级高产高敛矿井,成为我局唯一-获此荣誉的生产矿。马脊梁矿被国家煤炭工业局命名为行业级高产高效矿井@洪彦请下载后查看，本文暂不支持在线获取查看简介。
Recently, Majiliang mine was named as the National Coal Industry Bureau in 1998 industrial-grade high-yielding high-pit mine, become the only Bureau of my - won this honor mine. Ma Ridge mine by the National Coal Industry Bureau named industry-level high-yield and efficient mine @ Hong Yan Please download after viewing, this article does not support online access View profile.