This 2 companies claimed to already was developed do not destroy ozonic product newly.

此二公司已开发了新不破坏臭氧产品。

Static experiments were carried out to study the effects of ozonic disintegration characteristics of waste activated sludge.

为统研究臭氧破解污泥后对活性污泥,在活性污泥中通入臭氧进行污泥破解静态实验。