机译:长壁放顶煤倾斜煤层拉拔体形的理论描述。
School of Energy and Mining Engineering China University of Mining and Technology(Beijing) Beijing 100083 ChinaCoal Industry Engineering Research Center of Top-coal Caving Mining Beijing 100083 China;
Longwall top coal caving mining; Inclined seam; Top coal; Drawing body shape; Equation for drawing body;