Yiziphi izilinganiso ze-ANSI, ISO, NE-ASTM zamabheringi?Izindinganiso zobuchwepheshe, njengezindinganiso ze-ASTM zamabheringi acacisa ukuthi iyiphi iresiphi yensimbi okufanele isetshenziswe, asiza abakhiqizi ukwenza umkhiqizo ongashintshi.Uma useshe ama-bearings ku-inthanethi, kungenzeka uhlangane nomkhiqizo...
Funda kabanzi