ISBN: 9787564600358 - ping yu - mine cold gray king suddenly flooded wells disaster control and fast complex ore (1 Ergebnisse)

paperback. Zustand: New. Paperback Pages Number: 227 Language: Chinese. Ping Yu - mine cold gray king suddenly flooded wells disaster control and quick recovery ore technology on the basis of the brief Shaoping Yu - Mine Field geological and hydrogeological situation. a more detailed about Ping Yu a mine cold gray large sudden flooding wells disaster management. governance effectiveness analysis. submergence quickly re-mine technology. and put forward opinions and suggestions on the prevention and treatment of water .…