Medium frequency DC spot welding technology ndi gawo lofunikira kwambiri pakupanga kwamakono. M'nkhaniyi, tikambirana zovuta za njirayi, ndikufufuza mfundo zake, ntchito zake, ndi ubwino wake. Medium pafupipafupi DC malo kuwotcherera, amadziwikanso kuti MFDC malo kuwotcherera, ndi ...
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