Powder metallurgy zvikamu zvinoshandiswa zvakanyanya mumainjini emotokari.Iyo poda metallurgy pulley uye zvimwe zvishongedzo zvinogadzira idler pulley, pamwe negoko rakagadziriswa, ruoko rwekumanikidzana, torsion chitubu, inotenderedza inotakura uye chitubu sleeve kugadzira tensioner, iyo inogona kugadzirisa tension zvinoenderana ...
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