1) relieved methane
卸压瓦斯
1.
Technique of drawing relieved methane and simultaneous extraction of coal and coakbed methane;
卸压瓦斯抽取及煤与瓦斯共采技术研究
2) pressure relief gas
卸压瓦斯
1.
This paper mainly researches on the technique of draining long distance pressure relief gas in bed plate tunnel under the circumstance of mining protective coal seam.
本论文主要是针对远程下保护层开采条件下，对底抽巷上向穿层钻孔抽放远程卸压瓦斯技术进行了深入的研究。
3) destressing gas zone
卸压瓦斯带
1.
Width of destressing gas zone in coal ribs:theoretical analysis and its application
煤巷两帮卸压瓦斯带宽度理论分析及应用
4) relieved gas delivery
卸压瓦斯运移
1.
After mining in methane-rich thick seams,the law of relieved gas delivery in coal and rock mass is closely related to its permeability,which is influenced by the change of abutment pressure.
富含瓦斯厚煤层综放开采后,煤岩体中的卸压瓦斯运移规律与其渗透性密切相关,而支承压力变化又对渗透性有很大的影响,即采场卸压瓦斯的运移规律明显受支承压力的影响。
补充资料：冲击波超压与动压