机译:平顶山矿区煤与瓦斯突出的煤结构指标研究
Beijing Campus,China University of Mining and Technology, Beijing 100083;
China;
Henan Monitoring and Management Bureau of Production Safety, Zhengzhou 450003,China;
Pingdingshan Coal (Group) Corporation, Pingding-shan 467000,China;
coal and gas outbursts; coal structure; forecasting index;