【摘要】 给出了综采综放工作面在高产高效、煤层易自燃、高温、防灭火注Ｎ２工艺等特殊条件下以及普通低瓦斯矿井高瓦斯涌出生产工作面风量计算的方法，这些方法可以直接在矿井生产实际中应用。更多还原

【Abstract】 This paper presents several useful methods for calculating air Quantity in the working faces under special conditions,such as high-productivity faces,spontaneous combustion coal seam,highly gas-rushing faces,high temperature faces and fire prevention techniques with N 2-injection,etc.更多还原