ISBN: 9787568917957 - 液态二氧化碳相变射流致裂煤岩体增透机理及应用 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 223 Language: Chinese Publisher: Chongqing University Press Co. Ltd. is an irreplaceable main energy in my country. As the increased amount increases. the coal mining work has entered deep and coal rock gas composite. Dynamic disasters are increasing. increased coal gas permeability is an effective way to solve coal and gas disasters. liquid . …