On the basis of the observation to rock pressure,the strata behavior regularity of 93305workface is summarized,and the reason is analyzed,rome reasonable advices is put foreward.

 
  • 在矿压观测的基础上,总结了该工作面的矿压显现规律,并对原因进行分析,最后就工作面的开采提出合理建议。
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