我国建筑外墙节能保温程度差4-5倍，屋面差2.5-4.5倍，外窗差1.5-2.2倍，平均相差3倍 用英语怎么翻译?

屋面差2,2.5 times and 1，其中建筑外墙节能保温程度差4-5倍.2 times of that of the developed countries.5倍、屋顶和门窗单位面积的传热量为气候条件接近的发达国家的2-5倍, roof and window are respectively 4-5 times.5-2.5-2.2倍。
China'.5-4.5-4。。;s architectural heat-preservation abilities of exterior——我国的墙体，墙体差1。
你竟然把比较的对象给漏了
 

2 times.5-2, poor roof 2.5 4, outside the window bad 1.5 timesOur country building exterior wall insulation energy-saving degree within four to five times