本文根据流体动力学通风管道断面突变理论的原理,针对贵州省六盘水矿区地质条件及实际情况,首次探索性地提出了利用回风巷断面突然变化降尘方法,并对其降尘原理进行了分析总结.%According to the theory of duct cross-section of fluid dynamics principles of sudden change, combining the geological conditions and the actual situation in Liupanshui Mine. The authors firstly proposed the exploratory method of dust fall by using the return airway section sudden change. To analyze and summarize the principle of dust fall.
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