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- The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough. 冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
- This paper summarizes the characters of mining roadway layout adopted in thick coal-seam mining in Xinglongzhuang coal mine . 总结了兴隆庄煤矿厚煤层开采先后所用“采区巷道布置方式”特点与存在的问题。
- Application of rock milky explosive in coal mine roadway drifting 岩石乳化炸药在煤矿岩巷掘进中的应用
- Ground behavior law of mine roadway under coal mining with coal pillars 带煤柱开采条件下巷道矿压显现规律
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- To meet the requirement of mining technology innovation, as a developing trend, mining roadways in thick coal seams of Xinglongzhuang coal mine should be totally located in coal seam. 由此提出,为不断适应采煤工艺变革的要求,“全煤采区巷道布置方式”将是兴隆庄煤矿“厚煤层采区巷道布置方式”的发展趋势。
- Mine roadway retained for next sublevel applied to coal mining face through oblique crossing fault 沿空留巷在采煤工作面过斜交断层中的应用
- coal mine roadway 矿山巷道
- Application of the humid stress theory on the soft surrounding rock stability control around coal mining roadway 湿度应力场理论在软岩巷道围岩稳定性控制中的应用
- While conveying the coal slope roadway in coal mine well,hydraulic drawwork has become the main equipment conveyance including person. 在煤矿井下采区倾斜巷道运输中,液压绞车已成为一种包含运人的主要运输设备。
- This paper introduces supporting situation of whorl - steel bolt, wire meshes and beam in 3306 work-face end roadway of Hexi coal mine. 介绍了在贺西煤矿3306工作面尾巷进行螺纹钢锚杆、网、梁支护试验的情况。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- For coal spontaneous combustion in roadway, the test drilling method is applied and then the mud fluid or water is grouted for rescue work in practice of coal mine. 摘要对于巷道自然发火，我国当前煤矿现场往往采用试探法打钻，然后灌注泥浆或水实施救灾。
- Technique of secondary bolt/shotcreting support for deep rock roadway, with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example, was analyzed. 摘要以孙村煤矿埋深1300m的东大巷应用为例，系统分析了深部岩巷锚喷二次支护技术。
- Technique of secondary bolt/shotcreting support for deep rock roadway,with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example,was analyzed. 以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- Gas accumulation in a mine roadway is a prerequisite condition for the occurrence of gas accidents. 矿井巷道瓦斯积聚是瓦斯灾害事故发生的前提条件。
