By the time Chinese consumers started buying fridges in large Numbers, for example, refrigeration technology no longer depended on ozone-destroying CFCs.
例如，当中国消费者开始大量购买冰箱时，此时的冷藏技术已经摆脱了对臭氧杀手——氟利昂的依赖。
By the time Chinese consumers started buying fridges in large Numbers, for example, refrigeration technology no longer depended on ozone-destroying CFCs.
例如，当中国消费者开始大量购买冰箱时，此时的冷藏技术已经摆脱了对臭氧杀手——氟利昂的依赖。
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