摘要
本文介绍了常村煤矿 2 1 0 42 综放试验面使用改造型放顶煤液压支架 ,时 ,实测分析研究了支架实际工作面阻力和支架工作特性。
The paper introduces a new top caving support adopted at Changcun coal mine, and describes the features of practical working resistance and working characteristic of the support.
出处
《矿山压力与顶板管理》
1999年第3期115-117,239,共3页
Ground Pressure and Strata Control
