准备巷道
- 网络preparation roadway
准备巷道-
14号层412盘区准备巷道联络横硐的设计
Design of a connecting chamber in preparation roadway
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准备巷道沿煤层布置锚喷支护施工方法
Bolting and shotcreting along the coal level in preparation roadways
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不同层位准备巷道受采动影响后的破坏机理分析
Destructive mechanism analysis about the reserved tunnels at various beddings after having been affected by coal cutting
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介绍了鸡西矿业集团正阳矿在五采2层复合顶板采用联合支护，为准备、回采巷道以及其它相同条件下选择支护方式提供了依据。
This article introduce adopt component roof combination of No. 5 mining area 2 ~ # Zhengyang Coal Mineral of Jixi Coal Mine Group , provide basis for stope drift active workings and identical condition of shoring-style .