爆后废气火灾或爆炸后，残留在矿井中的一种令人窒息的混合气体，主要含氮气和二氧化碳。

An asphyxiating mixture of gases, primarily nitrogen and carbon dioxide, left in a mine after a fire or an explosion.

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值得指出的是，2大气压下2h_2 + O_2气体爆轰波后诱导引起的附面层可能经历着从层流向湍流的转捩，而后成为湍流附面层。

It shows that the boundary layer induced behind a 2 ATM 2h2 + O2, mixture detonation wave may undergo a transition from laminar to turbulent and then turn out a turbulent boundary layer.

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大不偶合系数的炮孔装药爆后。气体静压是产生裂纹的主要原因。

Gas dead stress is mainly reason for crack occurrence when greater decoupling charge factor is adopted for blasting hole.

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