Kev siv lub zog ntawm UPS tau dhau los ua ntau dua, thaum lub ntsiab lus tseem ceeb yog qhov qub, UPS yuav muab cov khoom siv hluav taws xob tom qab siv, lub sijhawm no UPS yog AC mains voltage regulator, thiab nws kuj them lub roj teeb. nyob rau hauv lub tshuab;Thaum lub zog hluav taws xob cuam tshuam (ib qho ...
Nyeem ntxiv