ISBN 10: 7030126211 ISBN 13: 9787030126214
Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback Pages Number: 280 Language: Chinese. China coal mine soft rock roadway engineering support design and construction guide is in the 10 years of soft rock engineering mechanics theory and engineering practice on the basis of a collection of soft rock of the coal. metallurgy system the latest achievements of the roadway engineering support theoretical and practical experience compiled from. China coal mine soft rock roadway engineering supporting the design and construction guidelines .