One day our second grade class at Spring Park School was released early because of a 2 fire drill.
有一天，因为要防火演习，我们这些源泉公园学校二年级的学生很早就放学了。
A new round of depression lit the fire of class resistance.
新一轮萧条点燃了阶级反抗之火。
The process equipment of light hydrocarbon in Baolang oilfield is a key equipment of class a fire prevention and the first order explosion-proof.
宝浪联合站轻烃工艺装置是宝浪油田甲级防火、一级防爆的关键装置。
The process equipment of light hydrocarbon in Baolang oilfield is a key equipment of class a fire prevention and the first order explosion-proof.
宝浪联合站轻烃工艺装置是宝浪油田甲级防火、一级防爆的关键装置。
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