在政策生效之后，所有排放有害气体的工厂都关闭了。
Factories that gave out harmful gases were all shut down after the policy came into effect.
文中阐述了炼油厂排放有害气体的危害性，对常见的恶臭气体产生源、恶臭气体的种类进行分析并对不同的治理方法进行了讨论。
The harms of the emissions of harmful gasses from refineries are expounded, and the sources and the kinds of odorous gasses are analyzed and the various treatment methods are discussed.
在一封信中当地农民描述了附近一个用偏苯三酚制造除臭剂和防腐剂的工厂如何排放有害气体，使得他们感到“日子一天也没有办法过了。”
One letter from local farmers described how a nearby factory making 8-hydroxyquinoline, used as a deodorant and antiseptic, emitted noxious fumes that "make our days and nights impassable."
但是煤电厂面临额外的压力：它们排放有害温室气体。
But coal plants have an additional strike against them: they emit harmful greenhouse gases.
但是煤电厂面临额外的压力：它们排放有害温室气体。
But coal plants have an additional strike against them: they emit harmful greenhouse gases.
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