Mining process von yan peng (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2009. Pages: 194 in Publisher: China University of Mining and Technology Press mining process comprehensively and systematically introduces the usual mining process of China's coal mines. and summarizes the latest achievements of China's coal mines. experience. book for the contents of the operating procedures of the coalface about. so that readers can learn after the preparation of the operating procedures of the coalface. Including mining process Overview. blasting mini. …