計(jì)算機(jī)占去該國(guó)商業(yè)用電的5%。Computers account for 5% of the country'scommercial electricity consumption.你們的集中供熱設(shè)備是煤氣的還是用電的?Is your central heating gas or electricity?對(duì)用電的總負(fù)荷要嚴(yán)格核算, 不得超荷.Total power load must be checked strictly, ...