ISBN: 9787502490171 - 金属矿山复杂采空区探测技术 刘勇锋,马海涛,张兴凯 著 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2021-12-01 Pages: 232 Publisher: Metallurgical Industry Press This book is based on the research and application of comprehensive detection technology for goafs in metal mines. It mainly analyzes the formation and characteristics of gobs in metal mines. The applicability of electrical. magnetic. seismic wave. geological tomography and three-dimensional laser detection technologies in the goaf of metal mines is analyzed. the detection mechanism and charact.…