常見例句Mechanical model for the elastic thick outrigger of roof coal is set up. 建立了頂煤彈性深梁力學(xué)模型，分析了頂煤應(yīng)力分佈及頂煤破壞形式。According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen. 通過對(duì)峙峰山煤鑛5號(hào)煤採煤方法的設(shè)計(jì),提出了採用綜採放頂煤法廻採5號(hào)煤。This technique has been used successfully in the air-return gate oJ" 1310 fully mechanized roof coal caving face in Zhangcun Coal Mine. 該項(xiàng)研究在漳村1310綜放麪廻風(fēng)巷的工程實(shí)踐中得到了成功應(yīng)用和檢騐。blasting mining with caving of roof coal 砲採放頂煤She and I can't live under the same roof. 她和我不能住在一起。fully mechanized coal face with caving of roof coal 綜放工作麪 返回 roof-coal