Cov teeb meem ib txwm muaj thiab txij nkawm ntawm cov roj hmab siv
Kev laus thiab hnav:
Cause: Ntev - Term raug rau high kub, av noo, lossis nquag braking ua rau cov roj hmab ua kom tawv thiab muaj fiber ntau.
Kev daws: Yuav tsum kuaj xyuas cov tuab (hloov chaw yog xav tau yog tias nws tsawg dua 3mm) thiab zam kev siv cov tshuaj ntxuav corosive.
Suab nrov tsis meej thiab tsis ua tiav ntawm qhov nres rov qab:
Cause: Kev laus ntawm cov roj hmab tsho, cov khoom txawv teb chaws jamming, lossis kev teeb tsa tsis raug.
Kev daws: Hloov cov kev laus, kom tiv thaiv cov kev teeb tsa raug teeb meem, thiab tiv thaiv roj ci los ntawm kev sib cuag nrog cov khoom siv roj hmab.
Tuav High High - qhov chaw ib puag ncig:
Xaiv cov siab - kub tiv thaiv cov qauv (xws li bacoult 3a tsis tu ncua dissipation qhov ntawm tus nres disces, thiab zam kev nres txuas mus ntxiv rau lub sijhawm ntev.
