摘要
通过对 3 0m左右的煤层现有的采煤方法逐一进行分析研究 ,并结合现场的回采实践和技术经验 。
Based on the analysis on the existent coal mini ng method for about 3 0 m seam and combined with the practice and technical expe ri enses ,bring out the correlation technical problem of digging overall height floor coal at one times with single hydraulic prop
出处
《煤炭技术》
CAS
2003年第6期38-40,共3页
Coal Technology
