摘要
从理论原理和实际操作两个方面分析了“无煤封口”的放煤原则在许厂煤矿应用的可行性 。
From two sides of theory and practice, analyze the possibility of adopting the rule of “no coal close the windows” in Xuchang Coal Mine,and has achieved good result.
出处
《煤炭技术》
CAS
2002年第6期25-28,共4页
Coal Technology
关键词
无煤封口
综放技术
回采率
放顶煤
no coal close the windows
combined drawing technology
extraction rate
caving coal