The destruction of ozone molecules in the ozone layer by chemical reaction with materials released from human activities, including chlorofluorocarbons and halons.
从人类活动中释放出来的物质(包括氟氯烃和卤代烷哈龙)同臭氧层中的臭氧分子发生化学变化，导致其破坏。
EBM aerosol fire extinguishing agent is a new type of fire extinguishing agents of high efficiency, its efficiency is higher than that of Halons.
ebm气溶胶灭火剂是一种新型高效灭火剂，其灭火效率高于哈龙类灭火剂。
EBM aerosol fire extinguishing agent is a new type of fire extinguishing agents of high efficiency, its efficiency is higher than that of Halons.
ebm气溶胶灭火剂是一种新型高效灭火剂，其灭火效率高于哈龙类灭火剂。
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