Home appliance field


Bearings are used in the home appliance industry, which can be used for lubrication purposes, reduce friction and wear, extend the service life of appliances, discharge heat generated by friction, or heat from outside, and cool. Prevent the bearing from overheating and prevent the lubricant from aging itself. There is also the effect of preventing foreign matter from entering the inside of the bearing or preventing rust and corrosion.


色情性爱大片视频,久久精品五福影院,噜噜色噜噜噜手机在线,中国好声音2020在线观看免费