摘要
从巷道破坏机理出发,对比常用巷道维护方式的优缺点,着重介绍金属成型架的制作与使用方法。
Based on the damage mechanism of entries,comparing the advatages and shortcom ings of entry support methods in common use,the manafacture and install of metal formed sup porter is introduced.
出处
《山西煤炭》
2007年第1期48-49,58,共3页
Shanxi Coal
关键词
成型架
巷道维护
formed supporter
entry maintenance
