摘要
介绍了收尾影响因素及工作面受力 ,阐述了顶板下沉的规律 ,提出应对方法。
Introduces the comprehensive mining ending Influential factors and the presseds coal face,expounds the rules of the roof setting down advance some better ways.
出处
《山西焦煤科技》
2003年第10期7-9,共3页
Shanxi Coking Coal Science & Technology
