Preventing pollution by automobile emission?
防治机动车排气污染物污染.
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By means of flow visualization the pictures of the plume of automobile emission have been analyzed.
指出了停车库内汽车尾气的形成发展实质上是烟羽的一种形式.
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Points out that the automobile emission is actua lly a form of thermal plume.
指出停车库内汽车尾气的流动过程可看作烟羽的形成过程.
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