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最近几年,我国煤矿瓦斯抽放和利用工作又有了新的发展。矿井瓦斯抽出量和抽出率又有新的增加,抽放技术和抽放效果都有较大提高,特别是把抽出来的瓦斯作为资源加以利用更有明显的发展。
In recent years, China’s coal mine gas drainage and utilization of the work has been a new development. There has been a new increase in the amount of gas outflow and the extraction rate of mines. Both the drainage technology and the drainage effect have been greatly improved. In particular, the extracted gas has been used as a resource for more obvious development.