【摘要】 以较典型的新建煤矿层状顶板为例，试验锚杆支护参数的改革，并进行技术经济分析，验证了锚杆支护设计改革的可行性更多还原

【Abstract】 Take the topical beded roof of the newly building coal mine as an example,tested the bolt supporting parameters as well as analyzed the effects of technology and economy.Proofed the reformation feasibility of bolt supporting.更多还原