coal uncovering

常见例句

The results indicate that outburst will occur under the condition of rock cross-cut coal uncovering in 10 level of Majiagou coal mine.
结果表明，10水平在石门揭煤条件下具有发生突出危险。
The blasting parameters, circuit, etc. of vibration shot uncovering coal, are designed and constructed and coal seam is uncovered safely and successfully.
对震动放炮揭煤的爆破参数、起爆网络等进行了精心设计与施工，安全顺利地揭开了煤层。
With the application of the methods of the energy the initial releasing gas and the aggregate, the paper will mainly focus on the analysis of the outburst of the rock cross-cut coal uncovering.
应用初始释放瓦斯膨胀能指标法和综合指标法，对石门揭煤的突出进行了危险性分析。