Thepetrol engine is optimally sized to provide the cruise power at its most efficient operating point, resulting in an improved fuel efficiency overall.

航空煤油发动机的尺寸经过优化设计，已经能够在发动机的最有效的操作点上提供巡航动力，进而从总体上提高燃料效率。

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According to the operating parameters of the diesel engine, we can take effective control and diagnosis, so to improve the efficiency of diesel engine and its reliability.

根据获取的柴油机运行参数，对柴油机采取有效的控制和诊断，进而提高柴油机的工作效率及其可靠性。

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Diesel engine has complex structure, poor working conditions, diverse fault modes and causes. The diagnosis of diesel engine fault can effectively improve its operating efficiency.

柴油机结构复杂、工作条件恶劣、故障模式和故障原因多种多样，对柴油机的进行故障诊断可以有效提高柴油机运行效益。

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