研究表明，事故门井卷吸空气，形成明满交替流是造成一系列不良水力现象的前提。

It is indicated that the suction of air from the emergency ventilating shaft is the reason to cause the harmful hydraulic vibration.

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紧急事故请注意，酒店发生火警，请立刻离开房间，从太平门撤离，谢谢您的合作。

Please leave your room immediately and follow the emergency exit door. Please leave the building immediately.

youdao

4日上午9时，辽宁省阜新市清河门区河西镇第八煤矿发生一起瓦斯爆炸事故，造成27人死亡。

27 people were killed and 6 injured Thursday morning in a gas explosion at a coal mine in Fuxin, Liaoning.

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