That explosion was triggered by an accumulation of gas in an unventilated tunnel.
爆炸是由于瓦斯气体在通风不良的矿井中聚集而产生的。
2
This paper introduces briefly the principle of the telemetering system for coal ash and gasexplosion experimental tunnel and then make an exhaustive analysis of transmission errors of the system.
本文简要介绍煤尘、瓦斯爆炸试验巷道遥测系统的基本工作原理,着重分析该系统的传输误差。
3
Methods The animal's model of injury caused by gasexplosion was made in imitating coalpit tunnel.