Kuv yuav tsum xyuam xim rau dab tsi thaum xaiv ib rab chais
May 17, 2022
1. Lub tes tuav lub cuab yeej yog xis thiab tiv thaiv kev nplua, thiab qhov ntev thiab qhov hnyav ntawm tus kov yog tsim nyog.
2. Cov hniav yog ntse, tsis yooj yim rau xeb, thiab muaj cov nyhuv lubricating.
3. Qhov voltage ntawm cov khoom tuaj txawv teb chaws yuav tsum ua raws li cov khoom siv hauv tsev. Nyob rau tib lub sijhawm, seb cov khoom puas muaj lub sijhawm lav thiab seb cov khoom siv puas ua tiav yog qhov yuav tsum tau ua ua ntej rau kev xaiv.
