红一煤矿项目矿权面积27.631km2,设计资源储量为283.93Mt?缶杓粕芰ξ2.4Mt/a,效劳年限57.7a?缶幽闪⒕敌本胤椒;主立井深478.5米,井筒直径5.8米;副立井深478.8米,井筒直径8米;回风立井深449米,井筒直径6米。井田结构庞洪水平为简朴偏中等,...
09-08 / 2021