Study on characteristics of rock broken by excavation and roof supporting object

被引：0
|
作者：
School of Architecture and Civil Engineering, China University of Mining and Technology, Xuzhou 221008, China [1 ]
不详 [2 ]
机构：
来源：
Zhongguo Kuangye Daxue Xuebao | 2006年 / 2卷 / 192-196期
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Supports;
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