Isbn: 9787122163097 - 新编采矿实用技术丛书--井巷工程 吴贤振,冯锐,刘祥鑫著 9787122163097 (1 risultati)

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-05-01 Publisher: Chemical Industry Press New Mining Practical Technology Series : underground construction . Considering the current in metal mines and coal roadway excavation technology and industry standards . from a practical point of view fully describes the construction of metal ore and coal roadway various practical techniques. the main contents include the basic concepts of mine workings . various roadway design the basic principles and methods driving and mas.Four Satisfaction guaranteed,or money back.…