Dab tsi yog cov kabmob sib xyaw Bearings uas muaj cov khoom sib txawv (hlau, yas, cov khoom siv lubricating) yog hu ua cov kabmob sib xyaw, uas yog lawv tus kheej cov kabmob, thiab cov kabmob sib xyaw, tseem hu ua bushings, pads lossis lub tes tsho bearings, yog ...
Nyeem ntxiv