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1·Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.

用气相色谱对低烯烃火花点火引擎燃料芳香碳氢化合物类型，环烃，烯烃，石蜡和氧化物的标准试验方法。

2·A type of hydrocarbon molecule that is saturated with single bonds and is formed by a straight chain similar to a paraffin but with a side chain.

由单键所饱和并由直链所形成的、类似于石蜡但带有侧链的一种烃分子。

3·Paraffin waxes and hydrocarbon waxes;

石蜡和烃蜡；