瓦斯煤层 meaning in Chinese
fiery seam
fieryseam
gaseous seam
gassy seam
Examples
- Mining high gas coal seam with enclosed mining method
封闭式采煤法开采高瓦斯煤层 - Mining area tunnel arrangement in high gas coal seams
高瓦斯煤层采区巷道布置 - Investigation of the tunnel layout way at high gas seam group mining area
高瓦斯煤层群采区巷道布置方式的探讨 - Gas control method for short - interval high - gassy seam in shanjiaoshu mine
山脚树矿近距离高瓦斯煤层的瓦斯治理方法 - In order to enhance the gas drainage effect in a working face with low permeability and high concentration of gas , the new methane drainage technology is studied
摘要为提高低透气性、高瓦斯煤层工作面的瓦斯预抽效果，对工作面瓦斯抽放新技术进行了研究。