Dab tsi yog qhov ua tiav?

Tig yog tsuas yog siv rau machining complex qhov chaw xws li cylindrical, conical, spherical thiab du nkhaus nto. Cov khoom no tsis yog tsuas yog cov shafts zoo tib yam, lub zog, xov, flanges, thiab lwm yam hauv cov cuab yeej siv tshuab, tab sis kuj suav nrog cov khoom siv hauv aviation, tsheb, cuaj luaj thiab lwm yam. Piv txwv li, lub crankshaft, piston, camshaft, thiab lwm yam ntawm lub tsheb cav yuav tsum tau ua tiav los ntawm kev tig tshuab.