In this exhibition, the company will sell its main office chair pivot point for the self-lubricating plastic plain bearings.
在这次展会上，该公司将主要推销其用于办公椅枢轴点的自润滑塑料滑动轴承。
Test results proved that, in the process of using oil, the light oil content in lubricating oil can be judged from the decreasing degree of flash point.
试验证明：在油品使用过程中，从闪点的下降程度可以判断混入轻质油的含量。
Test results proved that, in the process of using oil, the light oil content in lubricating oil can be judged from the decreasing degree of flash point.
试验证明：在油品使用过程中，从闪点的下降程度可以判断混入轻质油的含量。
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