摘要
通过对煤层层位、厚度的对比 ,及对煤层厚度变化的分析 ,判断其原因 。
Comparison of seats and thicknesses and analysis of its diversities to judge the causes can supply the reliable geolgical data for mining in the reginal coal seam after production of the mining area.
出处
《河北煤炭》
2001年第2期6-7,共2页
Hebei Coal