單項(xiàng)選擇題
The most prevalent cause of computer center fires is which of the following計(jì)算機(jī)中心火災(zāi)主要的原因是以下哪一項(xiàng)?()
A.AC equipment 交流電源設(shè)備
B.Natural causes 自然原因
C.Electrical distribution systems 配電系統(tǒng)
D.Heating systems 供熱系統(tǒng)