ISBN: 9787564622435 - 采煤概论 (1 resultados)

paperback. Condición: New. Pub Date: 2014-01-01 Pages: 234 Language: Chinese Publisher: China Mining University Press. Mining Introduction (Second Edition) is written according to the new syllabus for the professional use of non-coal mining materials. the system tells the Knowledge coal geology. Ida development. excavation and support. and other aspects of the mining methods. focusing on the ability of students. Mining Introduction (Second Edition) for the use of college students. but also for related technical officer.…