Firefighter says there's something fishy going on in the Fire District.
消防员说防火区有一些可疑的东西。
He said Fire District reports did not indicate how emergency personnel were alerted to either of the cases.
他说消防区报告没有指出急救人员面对此类事故,如何变得警觉起来。
Methane explosion triangle method, which is commonly applied to judge the explosion risk of mixed inflammable gases in the mine fire district, considers only the main component gas.
矿井火区可燃性混合气体爆炸危险性的判断,目前常用单纯的瓦斯爆炸三角形判别法。
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