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Ground pressure law of fully mechanized large cutting height face in extremely-soft thick seam and s
[期刊论文] 作者：LIU Chang-you,CHANG Xing-min,HUANG Bing-xiang,WEI Min-tao,WANG Jun,WANG Jian-shu,
来源：煤炭学报（英文版） 年份：2007
When stepped coal getting technology was applied to high seam mining working face, with field observations the following aspects of working face were analyzed based on the inherent conditions of extremely soft thick seam mined by Liangbei M......
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