Kev soj ntsuam ntawm Carburized Layer Flow txheej txheem thaum ua cov Motorcycle Sprocket
(1) Carburized maus taus sprockets yuav tsum muaj txheej carburized ntawm tus hniav nto. Thaum cov txheej txheem "carburized-sov extrusion" yog siv, kev faib cov txheej txheem carburized yog ze ze rau txoj kev deformation ntawm iav daim ntawv ...
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