第一，我们要减少各种废气的排放，这样可以保护我们身边的空气。
First, we need to reduce emissions, this can protect the air around us.
随着各种机动车辆的增加，排放的废气中铅污染问题也日益突出。
With the increase of motor vehicles, pollution caused by lead in waste gas is getting more and more serious.
通过监测实验，对各种熄焦水熄焦后吨焦废气污染物的排放量进行了测算。
Through the experiment monitoring, waste gas amounts pollution discharging to ton of coke were measured.
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