城市燃气输配系统主要分布在人口和建筑物集中的区域一旦发生火灾爆炸事故，将会造成严重的人员伤亡和财产损失。
The distribution system of city gas lies in the people and buildings gathering area. Once a gas fire and explosion accident happens, large people injuring and property loss will be caused.
城市燃气输配系统主要分布在人口和建筑物集中的区域一旦发生火灾爆炸事故，将会造成严重的人员伤亡和财产损失。
The distribution system of city gas lies in the people and buildings gathering area. Once a gas fire and explosion accident happens, large people injuring and property loss will be caused.
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