Stepper lub cev muaj zog tsiv nyob rau hauv me me kauj ruam yog feem ntau qhia nyob ntawm daim ntawv nyob rau hauv degrees. A kauj ruam lub cev muaj zog rau saws nyob rau hauv ib tug coj ntawm tam sim no yog dhau los ntawm ib tug kauj, ces lwm, ces nyob rau hauv thawj winding ntawm opposite polarity, ces tus thib ob nrog rov qab polarity, kuj. Qhov no ib theem zuj zus yog pheej rov qab ua rau c ...
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