Others have monitored emissions of different kinds in order to comply with regulations on pollution.

还有些公司为了符合污染规定，已经检测了不同种类的气体排放情况。

youdao

Others have monitored emissions of different kinds in order to comply with regulations on pollution.

还有些公司为了符合污染规定，已经检测了不同种类的气体排放情况。

youdao