在车辆方面，对汽油发动机，尤其是电喷发动机的汽车具有以下几点好处。

In vehicles, on the gasoline engine, especially the EFI engine car with the following advantages.

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对汽油发动机怠速工况的调整、对排放的影响进行全面论述。并提出了具有可操作性的调整方法，对改善排放有实际意义。

The paper discussed adjustment of idling conditions of gasoline motor car influencing on exhaust emissions, proposed adjustable methods, had actual sense for improving exhaust emissions.

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我礼貌的回答：“亲爱的，我认为你应该换高档，这样可以节省汽油并且对发动机没有损伤。”

All that, just from my polite, "Sweetie, I think you should be in a higher gear here; you'd get better gas mileage that way and it would be easier on the engine."

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