The ground is cold and moist, with the chill factor amplified by ventilation fans used to blow fresh air into the mine, and the sprinkler that keep the coal dust down.
因为有通风设备往里面输送新鲜空气，还有洒水器不断地给煤浇水以降温，所以地下既阴冷又潮湿。
Natural ventilation in heated pressure occupies a more and more important position in the building ventilation design because of being free from outside factor influence.
而热压作用下的自然通风方式因不受外界因素的影响在建筑通风设计中占据越来越重要的地位。
Based on hydromechanics affinity theory and major control factor of highway tunnel ventilation, the paper had made certain highway tunnel ventilation boundary condition.
根据流动相似性理论和隧道通风主要控制因素，确定隧道通风的边界条件；
As an important factor for tunnel safety considerations, the tunnel ventilation has also become an important aspect of studies by scholars.
作为隧道安全考虑的一个重要因素，隧道通风问题也成为各国学者研究的一个重要方面。
Researches showed that this kind of ventilation has many shortcomings in increasing the release of inflammatory factor or acute lung injury.
研究表明，这种通气方式存在许多弊端：增加了炎性因子的释放或急性肺损伤。
The sensible heat factor decreases with the increase of ventilation time after the rock surface is exposed due to the decrease of the surface temperature of the rock.
通风开始后，壁面温度随着暴露时间的增长而降低，显热比也随通风时间增长而降低。
Being influenced by the dual factor of the coal seam gas pressure difference and ventilation, the coal seam is the main route at the later period of the gas release.
受煤层瓦斯压力差和煤层的透气性双重因素影响，煤层是瓦斯后期释放的主要通道。
Rational modeling of air movement in ventilation ducts of large air-cooled turbogenerator is the crucial factor for correct numerical calculation.
采用合理的计算模型对大型空冷汽轮发电机通风结构中气体运动流场进行数值模拟是保证数值计算结果是否正确的关键。
Rational modeling of air movement in ventilation ducts of large air-cooled turbogenerator is the crucial factor for correct numerical calculation.
采用合理的计算模型对大型空冷汽轮发电机通风结构中气体运动流场进行数值模拟是保证数值计算结果是否正确的关键。
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