Phunzirani za chiwongolero chokwanira cha vacuum circuit breakers
Vacuum circuit breakers, kapena VCBs, ndi zida zosinthira magetsi zomwe zimagwiritsa ntchito ukadaulo wa vacuum kusokoneza mafunde amagetsi. Amapereka maubwino ambiri kuposa ophwanya azigawo azikhalidwe, kuphatikiza nthawi yoyankha mwachangu, kukonza pang'ono, komanso nthawi yayitali ...
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