Tỷ lệ kèo nhà cái̴ʯʮȥ˵̴ʯܶʮ꣬ԵʱĽ£δزܴ³ɼ˼ĹҵɽկˣһֱѪɱij涼ûг֣կԴһŮᵽǰʱԴĵ壬ˣûõģӥֻ⣬ɣȰ⣬Ȼ۾һӵɴ˼Ŀսӥԥһ֮һڽеĸʲݵһ飬ȥȻ·ʲô´½һֳһڣ½еĸʲݳ꣬ԥһ£Դϲ˼¡
ԽԽƣŲʵ磬ǶһƬ֮СͲõʧǰˡֺܲЦôˣһˣѾĿڸмİԼһʿȺ;ˮûиˣɫѿЩģ
ֻҾݣֻöȣϻϵĻҾݿҪӼòϡӵǵĮĿһУ飬ټЩˣҪй˵ණﶼDzõģǷйķʽֻɱ¾һĨĹâҪ˾еҲУ
ۼԼסһǹ֮ߡС㻹һȥΪ¿ǵDzѡֿܲЦ飬ۣսͽ˵֧ŮȷжաҡǼȻϾӴ滹Ǽ˵Ĺ棬˿һ£ʱ