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Terms for subject Ecology containing 低 氧 | all forms | in specified order only
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低层大气臭氧low atmospheric ozone
低氧燃烧low oxygen combustion
低氮氧化物燃烧器low nitrogen oxides burner
低氮氧化物燃烧技术low nitrogen oxides combustion technology
废水低压氧化low pressure effluent oxidation
最低含氧层layer of oxygen minimum
环境低氧environmental hypoxia
臭氧浓度低的空气ozone-poor air