ISBN: 9787811078732 - small and medium-sized coal mine safety training uniform textbooks: mine water pumps(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2008 Jun Pages: 281 Language: Chinese in Publisher: China University of Mining and Technology Press. Mine Water Pumps mine narrow-gauge rail workers trades training materials. Include coal mine production safety laws and regulations. laying method of coal production technology basics. mine ventilation and disaster prevention. the professional knowledge of the track work. track and turnouts. track workers used equipment and measuring tools. and finally introduces the mine .…