rich methane

• 高瓦斯

rich methane的用法和样例：

例句

1. Based on the typical high gassy mine-Sun Jiawan mine in Fuxin, the experiment of desorption and seepage of coal-bed methane was made under the solid-fluid coupling.
   摘要以典型的高瓦斯矿井阜新孙家湾矿为研究对象，利用自主研制的自压式三轴渗透仪，对煤层气解吸和渗流间的相互作用规律进行了实验研究。