BHS型多绳摩擦提升机首绳快速更换装置在煤矿的应用--以神华宁夏煤业集团石槽村煤矿为例
BHS형다승마찰제승궤수승쾌속경환장치재매광적응용--이신화저하매업집단석조촌매광위례
Application of BHS Type Multi Rope Friction Hoister First Rope Quick Replacing Device in Coal Mine:Taking Shenhua Ningxia Coal Industry Group Shicaocun Coal Mine as an Example