To find that mixture of naphthenic mineral oil and ester oil as base oil, the grease has a proper noise character.

发现以酯类油与环烷基矿物油的混合油做基础油时，合成的锂基脂具有较好的噪声特性。

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Bohai 36 1 crude is classified to low sulfur naphthenic base crude oil, which is a good feedstock for producing high grade road asphalt.

渤海36 1原油属低硫环烷基原油，是生产优质道路沥青的良好原料。

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