Qhov twg rauj zeb xav tau kev saib xyuas?
Ntxiv rau qhov tsis tu ncua xyuas qhov fastening thiab looseness ntawm txhua qhov chaw, ua tib zoo saib xyuas qhov hnav ntawm qhov hnav. Yog tias qhov hnav hnyav, hloov lawv raws sijhawm kom tsis txhob ua rau cov khoom tseem ceeb.
Vim lub siab ceev ntawm rauj zeb, ntxiv rau kev txhim kho thiab ruaj khov, lubrication zoo yuav tsum tau tswj xyuas kom muaj kev ua haujlwm zoo ntawm lub tshuab. Feem ntau, nws yog qhov qub uas qhov ntsuas kub tsis tshaj 70 degrees. Ntxiv roj thiab molybdenum disulfide rau lub ntsiab bearing ib zaug ib lub lim tiam. Kev kub ceev roj muaj txiaj ntsig zoo dua.
