單項(xiàng)選擇題變電所計(jì)算機(jī)監(jiān)控系統(tǒng)UPS電源過負(fù)荷能力:帶150%額定負(fù)荷運(yùn)行多少時(shí)間,帶125%額定負(fù)荷運(yùn)行多少時(shí)間()

A.30s,60min
B.60s,20min
C.60s,10min


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