Finally, a calculation example was showed, and the results indicated that the roof separation critical value of gob-side roadway is more than that of solid-coal roadway.

 
  • 最后根据一回采工作面的基本条件,试算了两类煤巷的顶板离层临界值,并与实际观测数据进行了对比和分析。
今日热词
目录 附录 查词历史