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。
2
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.