ISBN: 9787548704454 - 隐患资源开采与空区处理协同技术 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 177 Language: Chinese. Hidden resource extraction and gob handling Collaborative Technology (China Nonferrous Metals monograph) for the technical difficulties of the the goaf hidden the exploitation of resources. from the point of view of large-scale systems in mines. mining environment. recycling and continuous mining theory as a guide. the introduction of collaborative concept combines the advanced ideas of the theory of mining science. rock mechanics. structural mec.…