摘要
通过合理设计,在4#综采工作面合理布置炮孔,解决了超长综采工作面坚硬顶板放顶困难的问题,实现了综采工作面高产高效。
Through the reasonable design, picks the working surface reasonable arrangement artillery hole in the 4^# synthesis, solved the ultra long synthesis to pick the working surface hard roof to put goes against the difficult wuestion, realized the synthesis to pick the working surface high production to be highly effective.
出处
《煤炭技术》
CAS
2008年第11期46-47,共2页
Coal Technology
关键词
超长综采工作面
坚硬顶板
放顶技术
ultra long synthesis picks the working surface
hard roof
puts goes against the technology
