chlorofluorocarbons emissions
氯氟烃排放
reduce chlorofluorocarbons
减少氯氟烃
chlorofluorocarbons impact
氯氟烃影响
banning chlorofluorocarbons
禁止氯氟烃
chlorofluorocarbons regulation
氯氟烃法规
chlorofluorocarbons alternatives
氯氟烃替代品
chlorofluorocarbons phase-out
氯氟烃逐步淘汰
chlorofluorocarbons ban
氯氟烃禁令
chlorofluorocarbons usage
氯氟烃使用
chlorofluorocarbons effects
氯氟烃影响
chlorofluorocarbons are harmful to the ozone layer.
氯氟烃对臭氧层有害。
many countries have banned the use of chlorofluorocarbons.
许多国家已禁止使用氯氟烃。
chlorofluorocarbons contribute to global warming.
氯氟烃助长全球变暖。
scientists are studying the effects of chlorofluorocarbons.
科学家正在研究氯氟烃的影响。
reducing chlorofluorocarbons is essential for environmental protection.
减少氯氟烃对环境保护至关重要。
chlorofluorocarbons were commonly used in refrigeration.
氯氟烃曾广泛用于制冷。
the production of chlorofluorocarbons has declined significantly.
氯氟烃的生产显著下降。
chlorofluorocarbons are regulated under international treaties.
氯氟烃受到国际条约的监管。
public awareness of chlorofluorocarbons is increasing.
公众对氯氟烃的认识正在提高。
chlorofluorocarbons have been phased out in many industries.
氯氟烃在许多行业中已被逐步淘汰。
chlorofluorocarbons emissions
氯氟烃排放
reduce chlorofluorocarbons
减少氯氟烃
chlorofluorocarbons impact
氯氟烃影响
banning chlorofluorocarbons
禁止氯氟烃
chlorofluorocarbons regulation
氯氟烃法规
chlorofluorocarbons alternatives
氯氟烃替代品
chlorofluorocarbons phase-out
氯氟烃逐步淘汰
chlorofluorocarbons ban
氯氟烃禁令
chlorofluorocarbons usage
氯氟烃使用
chlorofluorocarbons effects
氯氟烃影响
chlorofluorocarbons are harmful to the ozone layer.
氯氟烃对臭氧层有害。
many countries have banned the use of chlorofluorocarbons.
许多国家已禁止使用氯氟烃。
chlorofluorocarbons contribute to global warming.
氯氟烃助长全球变暖。
scientists are studying the effects of chlorofluorocarbons.
科学家正在研究氯氟烃的影响。
reducing chlorofluorocarbons is essential for environmental protection.
减少氯氟烃对环境保护至关重要。
chlorofluorocarbons were commonly used in refrigeration.
氯氟烃曾广泛用于制冷。
the production of chlorofluorocarbons has declined significantly.
氯氟烃的生产显著下降。
chlorofluorocarbons are regulated under international treaties.
氯氟烃受到国际条约的监管。
public awareness of chlorofluorocarbons is increasing.
公众对氯氟烃的认识正在提高。
chlorofluorocarbons have been phased out in many industries.
氯氟烃在许多行业中已被逐步淘汰。
探索常用高频词汇