01h0012425;20100301115222.0;978-7-5020-3397-2;精装;CNY86.00;20100122d2008 km y0chiy0120 ea;chi;CN;110000;ak z 000yy;r;低透气性煤层群无煤柱煤与瓦斯共采理论与实践;di tou qi xing mei ceng qun wu mei zhu mei yu wa si gong cai li lun yu shi jian;Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability;袁亮著;eng;北京;煤炭工业出版社;2008;233页;图, 表;27cm;有书目(第230-233页)。;本书内容包括:无煤柱煤与瓦斯共采理论基础、无煤柱留巷围岩控制技术、新型巷旁充填材料与快速留巷充填工艺系统、无煤柱留巷钻孔法抽采瓦斯技术、安全保障系统、无煤柱煤与瓦斯共采工程实践。;Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability;eng;煤层群 ; 瓦斯煤层采煤法;长壁采煤法;ct ; ct;TD823.4 ; TD823.82;4 ; 4;a713 ; a714;袁亮;yuan liang;著;CN;NGL;20100122;NGL;lsl1007;h2 ; rCNY86.00;713;481-2