... Dragon Head Stone 安徽龙头石 stone head 石雕头像 ; 石像 ; 榆木疙瘩 ; 岩巷 T Stone Head 自由爵士 ...
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... rock gangway 石巷 ; 岩巷 gangway ladder 舷梯 ; 船梯 gangway board 搭板 ; 升降梯平台 ...
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文章摘要信息 关键词 ： 高应力；岩巷；快速钻爆；定向断裂；复式掏槽 [gap=1267]Keywords : high stress;rock roadway;fast drilling and blasting;directional fracture;compound cut
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万年矿岩巷单进进尺低，严重影响着万年矿生产地区的正常衔接。
The problem of slow driving in rock roadway seriously affects normal replacing driving and working in Wannian mine.
岩巷炮掘工作面的锚喷施工存在支护强度得不到保证、工程质量不易控制等问题。
During the anchoring and shotcreting construction at the rock heading blast advancement face, problems such as support strength can not be guaranteed or engineering quality uneasy to control exist.
本文以石嘴山二矿煤、岩巷的掘进施工为背景，对水平巷道单巷掘进技术进行了研究。
So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.
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