最要命的是，郊区还有好几家大型化工厂，这些工厂是这个城市空气和水污染的罪魁祸首。
A: On top of that, there are a few large chemical factories in the suburbs, which are contributing to the high pollution levels in the water and the air in this city.
广泛适用于油田、炼油厂、油库、船舶、大型化工厂、化纤厂、石化企业、化工产品仓库、溶剂厂等重点防灾场所。
It is widely used in oilfield, refinery, oil-depot, ships, large-scale chemical industry, chemical-fiber factory, petroleum-chemical plants, chemical products warehouse, solvent factory etc.
20名学生周六留校，期间突然响起辐射污染报警铃声声——这座小镇附近有一座大型化工厂，因此学校经常会组织疏散演习。
20 students during the school Saturday, suddenly sounded the alarm bell - radiation pollution near the town there is a large chemical plant, so the school often organize evacuation drills.
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