叙述了北沼河铁矿凿岩台车掘进巷道的试验与应用情况。
The paper describes the test and application of jumbo rig in tunneling in Beiminghe Iron Mine.
本文采用数值分析方法研究井下掘进巷道内火灾所导致的继发性灾害发生的条件。
This paper numerically investigated the basic conditions and possibility of the secondary disaster in the coal mine caused by the mine fire in the laneway.
实验表明，该方法能较好地实现掘进巷道的正常通风和瓦斯排放，并达到节能效果。
The results of experiment testify that the method not only realizes the normal ventilation and gas drainage in drivage roadway but also saves energy.
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