Mfundo zoyambira: Switchgear ndi zida zowongolera ndi mawu oyambira, omwe amaphatikizapo switchgear komanso kuphatikiza kwake ndi zida zothandizira, kuzindikira, chitetezo ndi zida zosinthira.Zimaphatikizanso kuphatikiza kwa zida zamagetsi ndi zida zokhala ndi mawaya amkati, zida zothandizira, hou ...
Werengani zambiri