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chao sheng bo wei yan lie xi tan ce yi ji qi zai mei kuang de ying yong
Pages: 9-17
Year: Issue:  1
Journal: Safety in Coal Mines

Keyword:  超声波新技术岩体强度围岩裂隙松动范围探测仪支护声速光面爆破锚杆喷射混凝土;
Abstract: <正> 近年来光面爆破、锚杆喷射混凝土支护新技术在井巷建没中得到广泛的应用。为了进一步完善和提高这项新技术,必须掌握岩体强度分类、围岩的松动范围、巷
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