... exhaust emission limit废气污染极限；废气污染限值 exhaust emission（s）废气污染物；废气污染 exhaust gas recirculation （ERG）废气回流；废气还流；废气再循环装置 ...
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汽油发动机废气污染物 petrol engine exhaust emissions
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.
简要地介绍了汽车废气污染物的危害性和影响因素以及国外常用的废气排放控制技术。
This paper introduces the hazard of automobile exhaust pollutant, influential factors and normally control technology used abroad.
监测结果表明，烟尘、二氧化硫和氮氧化物等废气污染物的排放浓度超过国家标准要求。
The results showed that the dust, sulfur dioxide and nitrogen oxides are all over the limit of country letting standard.
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