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·问题探讨·利用ＳＦ6 气体测定矿井漏风技术秦波涛等 ( 1- 1)……………深冻结井井壁设计探讨苑 峰 ( 1- 3 )…………………………提高块煤产率的有效途径陈学峰等 ( 1- 5 )……………………煤矿立井玻璃钢复合材料梯子间力学计算李德春等 ( 1- 7)………………………………
· Discussion of problems · Determination of mine air leakage by using SF6 gas Qin Bo Tao et al (1- 1) ............... Discussion of deep freeze shaft wall design Yuan Feng (1- 3) .............................. Raise block Effective ways of coal production Chen Xuefeng et al (1-5) ........................ Coal mine shaft FRP composite ladder mechanical calculation Li Dechun et al (1-7) ....................................