摘要
本文在整理和分析实测资料的基础上 ,应用数理统计的方法对覆岩中硬岩层对岩移参数的影响进行了研究 。
Based on the practice datum,study on the influence of the hard rock stratum of the cover rock on the rock movement parameters And some laws of the proportion of the hard rock stratum to the cover rock and rock movement parameters are found out
出处
《煤炭技术》
CAS
2001年第11期54-55,共2页
Coal Technology