The oil industry is marked by an element of danger, hence the siting of refineries is at a distance from population centers.
石油工业的特征是有一点危险性，所以炼油厂的厂址在远离人口集中的地方。
The oil industry is marked by an element of danger, hence the siting of refineries is at a distance from population centers.
石油工业的特征是有一点危险性，所以炼油厂的厂址在远离人口集中的地方。
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