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68001＃工作面开采初期，通风系统、瓦斯抽放系统遭到破坏。采取了加大通风量和提高瓦斯抽放能力等综合措施杜绝了瓦斯超限，保证了矿井安全生产。
68001 # early mining face, ventilation systems, gas drainage system was destroyed. Taken to increase ventilation and improve gas drainage capacity and other comprehensive measures to eliminate gas overrun to ensure the mine safety in production.