Nyob rau hauv lub tshav pob ntawm peb theem hluav taws xob motors, qhov kev sib tw ntawm lub cev muaj zog ncej tam sim no yog ib qho teeb meem ntawm kev txhawj xeeb. Qhov tshwm sim no tuaj yeem ua rau hnav ntxov ntxov thiab kev puas tsuaj rau lub cev muaj zog, tshwj xeeb tshaj yog cov kabmob. Hmoov zoo, insulated bearings tau tshwm sim los ua ib qho kev daws teeb meem rau qhov teeb meem no, muaj txiaj ntsig zoo ...
Nyeem ntxiv