氯氟烃破坏臭氧层，其替代物氢氯氟烃和氢氟烃却被认为可加重温室效应。
Chlorofluorocarbons can deplete ozone, hydrochlorofluorocarbons and hydrofluorocarbons are regarded as contributors to global warming.
氯氟烃破坏臭氧层，其替代物氢氯氟烃和氢氟烃却被认为可加重温室效应。
Chlorofluorocarbons can deplete ozone, hydrochlorofluorocarbons and hydrofluorocarbons are regarded as contributors to global warming.
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