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xia yu kou mei kuang hui cai gong zuo mian wa si chao xian de yuan yin ji zhi li dui ce
Author(s): 
Pages: 5-7
Year: Issue:  10
Journal: SAFETY IN COAL MINES

Keyword:  回采工作面瓦斯邻近层采空区治理措施;
Abstract: 瓦斯超限原因与煤层瓦斯含量高、采前释放程度低、煤层厚度大、回采时的瓦斯涌出量大有关;采取了改变工作面通风方式及抽放瓦斯等方法综合治理对策.
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