低煤阶煤层含气量特征及瓦斯涌出机制探讨

汪万红

GAS CONTENT AND GAS GUSH MECHANISM OF LOW-RANK COAL SEAM

WANG Wanhong

资源与产业 . 2018, (4): 9 -12 . DOI: 10.13776/j.cnki.resourcesindustries.20180727.006