因此，控制机动车尾气污染是当务之急。
So it is the most important to control automobile exhaust gas pollution.
随着城市机动车保有量的不断增长，机动车尾气污染问题已经成为城市空气污染最重要的来源，控制机动车尾气污染也已经成为改善城市大气环境质量的当务之急。
With the growing increase of the retention of the vehicles in the city, the gas emitted from vehicles has become the most important source of the urban air pollution.
控制汽车尾气量的增加，是减少汽车废气污染改善人类生活环境的重要措施。
How to control the increase of the discharging amount of automobile end gas is the important measure to reduce automobile end gas pollution and improve living environment.
催化剂技术是治理汽车排气污染物的重要手段之一，催化转化器是控制汽车尾气排放的主要设备。
Catalytic technique is one of the major way in purification of automotive exhaust gases, and catalytic converters are main devices for control of automotive emission.
CO氧化反应是控制汽车尾气污染和理论研究的重要课题之一。
The oxidation of CO plays important roles in control of automotive emission and theoretical research.
汽车尾气排放污染已居城市污染源之首，提高燃油质量可有效控制汽车有害物排放。
Pollution caused by discharge of motor tail - gas has become the biggest polluting source in cities. Improving the quality of fuel can effectively control the deleterious agent discharged by motors.
汽车排出尾气带来的环境污染问题日益突出，排放尾气的控制引起了世界各国的高度重视。
The environmental pollution caused by the exhaust gas from automobiles becomes more and more serious so that moni...
汽车排出尾气带来的环境污染问题日益突出，排放尾气的控制引起了世界各国的高度重视。
The environmental pollution caused by the exhaust gas from automobiles becomes more and more serious so that moni...
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