The car engine smoke points three: white smoke, black smoke and blue smoke (in diesel vehicles, for example).

汽车发动机冒烟分三种：白烟、黑烟和蓝烟(以柴油车为例)。

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It is revealed by a great amount of test and research work that there is a significant effect of atmospheric temperature and atmospheric pressure on Diesel engine smoke emission.

通过大量的试验研究，发现大气温度和大气压力对柴油机烟度排放有很大的影响。

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Prairie landscapes from 1927 turn a train and tall grain elevators into minimal vertical and horizontal strokes, while roiling clouds and the engine's rising smoke prefigure familiar abstract elements.

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Tilley said her sister, Renee Shanar, of Houston, told her the cabins were hot and smelled like smoke from the engine fire, forcing passengers to stay on the deck.

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Under their balcony a bus stopped, brakes wheezing, its doors slapped open, then shut, engine roaring and sending up a plume of noxious smoke as it rumbled away.

NEWYORKER: Shauntrelle