Tsim los ntawm 2007, Ningbo Haishu Nide International Co., Ltd, tshwj xeeb hauv kev tsav tsheb, muab ib qho kev daws teeb meem rau lub cev muaj zog, muab ntau hom tsav tsheb, feem ntau suav nrog commutator, carbon txhuam, pob bearing, hluav taws xob rwb thaiv tsev ntawv, thiab lwm yam. .
1, rwb thaiv tsev ntawv daim kab xev nyob rau hauv thawj rwb thaiv tsev ntawv ntawm qhov chaw ntawm txiav nws mus rau hauv ntau yam dav
Lub commutator yog ib feem tseem ceeb ntawm dc lub cev muaj zog thiab AC commutator armature.
Feem ntau cov teeb meem yog tsim los ntawm cov molecules uas yog tsim los ntawm atoms uas nyob rau hauv lem yog ua los ntawm nuclei thiab electrons. Hauv ib qho atom