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BI81是纯合成Bi2S3。 它与硫化锑(III)是同构的,并且都显示出非常相似的化学表现。

关键部分(高温、衰退)显示出停止稳定性和NVH方面的改进。 在磨损方面,盘的粗糙度降低,因此盘的表面非常平滑,这说明了其良好的停止和NVH表现。

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