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Publicado por China Press, 2000
ISBN 10: 750203336XISBN 13: 9787502033361
Librería: liu xing, Nanjing JiangSu, JS, China
Libro
paperback. Condición: New. Paperback Language: Chinese mining roadways thin layer of composite roof control technology and engineering practice. discusses the mechanical characteristics of the thin layer of compound roof recovery roadway. variation and its influencing factors. mining roadways thin layer of compound roof deformation and failure mechanism of induction of recovery the roadway thin layer of compound roof deformation and failure of law. analysis of recovery roadway thin layer of compound roof control princi.
Librería: liu xing, Nanjing JiangSu, JS, China
Hardcover. Condición: New. The King James Sikuquanshuzongmu finishing this whole two; 16 hardcover original price of 580 yuan.