Pollution can lead to premature bearing damage, pollution, refers to dust, metalfilings from entering bearings inside.
污染也会导致轴承过早损坏，污染是指有沙尘、金属屑等进入轴承内部。
2
Pre-cleaning should include the removal of metalfilings and weld splatter: both are potential sources for dirt in phosphate and electrocoat.
预清洗系统包括清除金属屑及焊渣， 它们是磷化和电泳槽内的污染物的来源。
3
Lathe spiral metalfilings were used in high gradient magnetic separation machine to recover FCC catalyst and activities of the separated FCC catalysts were examined.