世界各国制定汽车排气限制标准的沿革
The Developing Aspect About the Threshold Values of Exhaust Gases from Automobile in Various Nations of the world
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摘要: 本文综述了世界各国制定汽车排气限制标准的起因、依据和标准值、并介绍了排气标准的演变过程。Abstract: This paper reviews the specifications on the threshold values of pollutants of exhaust gases from automobile in variaus nations of the world, and gives the developing aspect of these specifications.
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