About ZHU D
About China Univ. Mining and Technology
About QIAN M
About China Univ. Mining and Technology
About XU L
About Datong Mining Administration
About Meitan Xuebao
About longwall working face
About roof control
About roof fall
About plate(material)
About elastic modulus
About impact load
About blasting
About relief blasting
About Kirchhoff板
About Rock burst,gas outburst,blooding,fall
About 硬質
About 天盤