A.0.01 B.0.012 C.0.015 D.0.005
A.0.008 B.0.0075 C.0.007 D.0.005
A.高瓦斯礦井 B.瓦斯礦井 C.煤與瓦斯突出礦井 D.煤與二氧化碳突出礦井