By means of the plumbago and the led in the copper base slide, and take measure of high strength plumbago of exterior bilateral to develop to lubricate it, the idea makes a good lubricative effect.

• 在铜基滑板中加入固体润滑剂石墨和铅，以及采取外部双侧用高强石墨加强润滑起到了较好的润滑效果；