对汽车液力传动系统的优越性、液力自动传动油的作用、性能进行了简要叙述，并介绍了国内、外液力自动传动油的分类和使用。

The advantages of a hydraulic transmission system, the effect and property of hydraulic transmission fluid are given. Its classification and usage at home and abroad are introduced.

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探讨了油电混合动力汽车的分类，分析了油电混合动力汽车系统构造及发展趋势。

This paper probes into the classification of the oil-electric vehicles, and analyzes on the systemic structure and developing trends of the oil-electric vehicles.

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樟树叶油含量和主成分类型及含量呈明显的地理分布。

The oil content and the type and content of main component in oil showed distinct geography distributing.

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