Bakeng sa shafts, rolling le forging ke mekhoa e 'meli e tloaelehileng ea tlhahiso.Mefuta ena e 'meli ea lirolo li fapana ts'ebetsong ea tlhahiso, litšobotsi tsa thepa, thepa ea mochini, le boholo ba ts'ebeliso.1. Ts'ebetso ea tlhahiso: Shaft e kolobisitsoeng: The rolling shaft e thehoa ka ho tobetsa ka ho tsoelang pele ...
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