The paper analyzed the gas contents with the index method and atmosphere chromatographic analyzer to judge the gas explosive in the fire area.
利用勒氏指数法和气象色谱仪对灾区的气体成分进行分析，判断火区内气体的可爆炸性。
A place in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is present continuously or for long periods.
爆炸性环境中的爆炸混合物以气体、蒸气或薄雾形式连续出现或长时间存在的场所。
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