topple mining

The problems of topple mining process at the great inclined seam production are analyzed, and feasible technology and management measureses and practical experiences in heavy inclined seam are also offered.
分析了高檔普採(cǎi)中的仰斜開(kāi)採(cǎi)工藝 ,在大傾角煤層生産過(guò)程中存在的問(wèn)題。 提出了可行的技術(shù)琯理措施 ,爲(wèi)在大傾角煤層中使用該採(cǎi)煤工藝提供了實(shí)踐經(jīng)騐。