Isbn: 9787564646868 - 煤与瓦斯突出及其防控物理模拟试验研究 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2020-10-01 Pages: 230 Language: Chinese Publisher: China University of Mining and Technology Press Coal and gas outburst is an extremely complex dynamic phenomenon in coal mines. which seriously threatens the safe production of coal mines.?Based on the integrated research idea of ??disaster-prevention and control. this book independently designed and developed a set of physical simulation test system for coal and gas outburst and its prevention and control. Using this tes.…