The results showed that the properties of additives with branched group and cyclic hydrocarbon were excellent.

结果表明，带支链及环状结构的添加剂极压抗磨性能最好。

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The results showed that the properties of additives with branched group and cyclic hydrocarbon were excellent.

结果表明，带支链及环状结构的添加剂极压抗磨性能最好。

youdao