在汽车中应用带有三元催化剂的闭环电喷系统可以有效降低汽车尾气中的有害成分。
The close-loop EGI system with threeway catalyst has been verified efficiently to reduce the harmful ingredient in exhaust gas of car.
烟草工业通过各种先进科学技术手段竭力降低卷烟烟气中的有害成分，来提高卷烟吸食的安全性。
To improve the safety of cigarette smoking, the tobacco industry scientists strive to reduce the harmful ingredients in cigarette smoke through a variety of advanced science and technology.
降低卷烟烟气中的有害成分是烟草业的一项重要任务。
Dereasing the harmful ingredients of cigarette smoke is an important task for the tobacco industry at present.
降低卷烟烟气中的有害成分是烟草业的一项重要任务。
Dereasing the harmful ingredients of cigarette smoke is an important task for the tobacco industry at present.
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