Ka mokhoa o ts'oanang o hahiloe joalo ka li-ball bearings, li-roller bearings li na le khokahano ea mohala ho e-na le ho kopana le ntlha, e ba nolofalletsang ho ba le bokhoni bo boholo le ho hanyetsa khatello e phahameng.Lirolara ka botsona li na le libopeho tse 'maloa, e leng, cylindrical, spherical, tapered, le nale.Cylindrical rolara dibering laola ho...
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