氢氯氟烃和氢氟烃被认为是全球变暖的原因。
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.
其中最短命的氢氟碳化合物，被发明取代氯氟烃，制冷剂可以稀释高层空气中的臭氧层，同时也是主要的升温剂。
The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent.
其中最短命的氢氟碳化合物，被发明取代氯氟烃，制冷剂可以稀释高层空气中的臭氧层，同时也是主要的升温剂。
The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent.
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