The air temperature of the mining face in the deep and high temperature mine to be over the limitation or not would be one of the main factors of the production capacity.

• 随着深部矿产资源的开发和机械化生产的集中,井下空气温度不断升高,高温矿井工作面空气温度是否超限是决定矿井生产能力的重要因素之一。