This paper, focusing on the theme of resource recovery, introduces the technical practices in optimizing the face arrangement, improving mining technology and production processes of the Group.
本文围绕提高资源回收率这一主题，介绍了该集团在优化工作面布置、改进开采技术和生产工艺方面的技术实践。
Due to some reasons of the face arrangement, the gas-suction effect, and so on, the first choice is the method of gas-suction over mining.
由于采场接替、抽放效果等诸多原因，随采随抽瓦斯方法为首选。
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