Because of low exhaust temperature of the urban bus engine, a diesel fueled burner was installed on the trap to regenerate thermally the ceramic element.

鉴于我国市内公共汽车柴油机的平均排气温度很低，在捕集器的前端装了一个燃烧器，定期对陶瓷滤芯进行热再生。

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Such as the location of the fire in the bus engine, the driver should open all the doors, so that passengers from the door to get off, and then organize the fire.

如着火的部位在公共汽车的发动机，驾驶员应开启所有车门，令乘客从车门下车，再组织扑救火灾。

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The old bus was revving its engine, ready to start the journey back towards Mexico City.

这辆旧巴士轰着油门，准备启程返回墨西哥城。

《柯林斯英汉双解大词典》

The other main joint venture, Ford-led Ecostar, takes the machinery from Stuttgart and fits it into electric motors, transmission and control equipment to make a fuel-cell engine that can turn the wheels of a car or a bus.

ECONOMIST: Fuel cells: Intel on wheels | The

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