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介绍运河煤矿在 130 1工作面沿走向倾角大 (局部达 2 5°) ,煤层松软条件下 ,采取一系列措施 ,实现了综放面下行回采 ,既保证了安全生产 ,又取得较好的经济效益
Introducing a series of measures taken by the coal mine in 1301 working face with a large dip angle (locally up to 25 °) and soft coal seam, the coal mining project has realized the safe mining and the better economy due to the safe mining benefit