liquid dioxide是什么意思 liquid dioxide怎么读
liquid dioxide的用法和样例
- The concentrations of nitrogen dioxide and ozone also exceed the objectives for a few days in a year.
二氧化氮及臭氧的浓度，每年也有几天超出了空气质素指标。 - Its coal-burning kilns spew out huge quantities of sooty wastechemical compounds such as sulfur dioxidenitrogen dioxide.
在这里，烧煤的窑炉喷出大量的黑色废气及二氧化硫和二氧化氮等化合物。
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