In this paper, hazards and the necessity for treatment of organic gases were put forward, meanwhile, kinds of technologies and methods of treating organic gas were introduced.
文章介绍了有机废气的危害及处理有机废气的必要性，提出了各种处理方法及技术。
Stepped cascades are used also in water treatment plants to enhance the air water transfer of atmospheric gases and volatile organic components.
台阶水道还可用于水处理工厂，促进空气中的气-水交换和有机质的挥发。
Stepped cascades are used also in water treatment plants to enhance the air water transfer of atmospheric gases and volatile organic components.
台阶水道还可用于水处理工厂，促进空气中的气-水交换和有机质的挥发。
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