磁驱动滑动弧放电
Glide arc driven by magnetic field
固体润滑滑动轴承
bearing with solid lubricant
主动滑动面
Active surface of sliding
自动滑动轴承
self adjustable sliding bearing
self-adjustable sliding bearing
自润滑滑动轴承
self lubricating sliding bearings
Self-lubricating Bearing
Self-lubricated sleeve bearing